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NASA Acronyms - Full List

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A ampere
A analog
A analog signal
A&A advertise and award
A&CO activation and checkout
A&COTA assembly and checkout technical analysis
A&E architects and engineers
A&E architectural and engineering
A&L approach and landing
A&P airframe and power plant
A&P attitude and pointing
A&PS Administration and Program Support (MSFC directorate)
A&R assembly and recycle
A&R automation and robotics
A&RC application and resource control
A&S alignment and stabilization
A&SS alignment and stabilization subsystem
A&T assembly and test
A&TA assembly and test area
A-G air-to-ground
A/A air-to-air
A/A airplane avionics
A/A analog-to-analog
A/A angular accelerometer
A/B airborne
A/C air conditioning
A/C aircraft
A/C associate contractor
A/D analog-to-digital
A/F air-to-fuel ratio
A/F airframe
A/FM arm firing mechanism
A/G air-to-ground
A/J antijam
A/L airlock
A/L approach and landing
A/L autoland
A/M area to mass
A/M auto/manual
A/N account name
A/N alphanumeric
A/O analog output
A/P airport
A/P autopilot
A/R as required
A/R autoland roll-out
A/S acquisition sensor
A/S airspeed
A/S arm/safe
A/S ascent stage
A/S auxiliary stage
AA accelerated assembly
AA associate administrator
AA accelerometer assembly
AA affirmative action
AA air-to-air
AA airplane avionics
AA American Airlines
AA angular accelerometer
AA antiaircraft
AA Associate of Arts degree
AA/AL airplane avionics/autoland
AA/AL automatic approach/autoland
AAA allocations, assessments, and analysis
AAA astronaut-actuated abort
AABNCP Advanced Airborne National Command Post
AACCS analytical approach to candidate constellation selection
AACPSM actual average cost per successful mission
AACS attitude and antenna control system
AADEW attack assessment for directed-energy weapon
AADR applications approval design review
AADS ascent air data system
AADSF advanced automated directional solidification furnace
AAE abort advisory equipment
AAE aerospace auxiliary equipment
AAE American Association of Engineers
AAFE advanced applications flight equipment
AAIR advanced atmospheric sounder and imaging radiometer
AAMP advanced architecture microprocessor
AAMRAM air-to-air medium-range missile
AAO Astronaut Activities Office (JSC)
AAP Affirmative Action Plan
AAP Affirmative Action Program
AAP airlock adapter plate
AAP analog autopilot
AAP assemble at pad
AAS abort advisory system
AAS advanced antenna system
AASM Association of American Steel Manufacturers
AB adapter booster
AB afterburner
AB air bearing
AB airborne
AB anchor bolt
AB autobeacon
AB avionics bay
ABA dc amplifier, buffer, and attenuator
ABC Ada browse capability
ABC automatic brightness control
ABCAS algorithm beam center and shape
ABCF as-built configuration file
ABCL as-built configuration list
ABCP airborne command post
ABCR as-built configuration record
ABD Airborne Ballistics Division (NASA)
ABE air-based electronics
ABE air-breathing engine
ABE arm-based electronics
ABERT auto bit error rate test
ABES air-breathing engine system
ABETS airborne beacon test set
ABI avionics bus interface
ABJIT algorithm beam jitter
ABL airborne laser
ABL aircraft-based laser
ABLE airborne laser evaluation
ABLOS algorithm beam line of sight
ABM acquisition bus monitor
ABM advance bill of materials
ABM antiballistic missile
ABM apogee boost motor
ABMA Army Ballistic Missile Agency
ABMCP airborne military command post
ABMO Antiballistic Missile Office
ABNCP Airborne National Command Post
ABPS air-breathing propulsion system
ABRES antiballistic reentry system
ABS air-break switch
ABS ammonia boiler system (subsystem)
ABT air-bearing table
ABTCU active baseplate thermal control unit
AC advanced composite
AC aerodynamic center
AC application controller
AC assembly complete
AC audio center
AC auxiliary computer
ACA altitude controller assembly
ACA annunciator control assembly
ACA Associate Contractor Administration
ACA attitude controller assembly
ACA auxiliary crew compartment
ACAP Advanced Computer Airframe Program
ACB air-cushion barge
ACC advanced carbon-carbon
ACC aft cargo compartment
ACC automatic control console
ACC auxiliary crew compartment
ACCE augmented continuous control evaluator
ACCESS assembly concept for construction of erectable space
ACCN audit central control network
ACCS adaptive communication control subsystem
ACCU audio central control unit
ACD accuracy control document
ACD anti-carryover device
ACD architectural control document
ACDA Arms Control and Disarmament Agency
ACDNS attitude control, determination, and navigation
ACDS attitude control and determination system (subsystem)
ACE acceptance checkout equipment
ACE actual average cost per successful mission
ACE attitude control electronics
ACE automatic checkout equipment
ACEL Air Crew Equipment Laboratory (U.S. Navy)
ACES acceptance checkout and evaluation system
ACES acceptance control equipment section
ACES automatic checkout equipment sequencer
ACEU aerocontrol electronics unit
ACF American Car and Foundry
ACI age-controlled item
ACI allocated configuration identification
ACIL automatic controlled instrument landing
ACIP aerodynamic coefficient identification package
ACIP aerodynamic coefficient instrumentation package
ACL access control list
ACL allowable container load
ACL ascent closed loop
ACLC adaptive communication live controller
ACLS automated control and landing system
ACM acquisition control module
ACM actual average cost per successful mission
ACM Association of Computing Machinery
ACM auxiliary core memory
ACMA Army class managing activity
ACMB Applications Configuration Management Board
ACME attitude control and maneuvering electronics
ACMS automated configuration management system
ACN acceptance change notice
ACN Ascension Island (STDN)
ACO acceptance checkout
ACO administrative contracting officer
ACO assembly checkout
ACP airborne command post
ACP astronaut control panel
ACP audio control panel
ACPL assembly component parts list
ACPM associate contractor program manager
ACPM attitude control propulsion motor
ACPO Associate Contractor Project Office
ACPS attitude control propulsion system
ACR actual cost report
ACRC assured crew return capability
ACRES automated change request and evaluation system
ACRIM active cavity radiometer irradiance monitor
ACRS accelerated cost recovery system
ACRS Advisory Committee on Reactor Safeguards
ACRV assured crew return vehicle
ACS advanced combat system
ACS aft crew station
ACS alternating current synchronous
ACS altitude control and stabilization
ACS American Chemical Society
ACS atmosphere control system
ACS attitude control and stabilization
ACS attitude control system
ACS automated control system
ACSN advance change schedule notice
ACSN advance change/study notice
ACSU alternating-current switching unit
ACT acquisition coarse tracker
ACT acquisition, control, and test
ACT audio center transmission
ACTA activate test article
ACTS acquisition coarse tracker subsystem
ACTS advanced communication technology satellite
ACU annunciator control unit
ACU avionics cooling unit
ACUO avionics cooling unit operator
ACV air-cushion vehicle
ACWP actual cost for work performed
AD Administrative Operations and Support Service (KSC
AD advanced development
AD air density
AD associate director
ADA adaptive diagnostic authoring
ADA azimuth drive assembly
ADABECS airborne demonstration advanced beam extraction am
ADAC attitude determination and control
ADACS attitude determination and control system
ADADL Ada design and documentation language
ADAES advanced data assessment expert system
ADAM automated distributed architecture model
ADAMS automated dynamic analysis of mechanical systems
ADAP aerodynamic data analysis program
ADAP automated data analysis program
ADB Aerodynamic Data Book
ADB auxiliary memory data output bus
ADC Aerospace Defense Command
ADC Air Defense Command
ADC air data computer
ADC analog-to-digital computer
ADC analog-to-digital converter
ADC attitude determination and control
ADCN attitude determination, control, and navigation
ADCOM air defense command
ADCR applicable document contractual record
ADCS attitude determinate control system
ADCS attitude determination and control subsystem
ADD architecture definition document
ADF automatic direction finder
ADF automatic display finder
ADFRF Ames/Dryden Flight Research Facility
ADH advanced development hardware
ADI analytic and design investigation
ADI attitude direction indicator
ADI attitude director indicator
ADI attitude display indicator
ADIC Air Defense Intelligence Center
ADL Ada design language
ADL Ada-based design language
ADL Advanced Development Laboratory
ADL Avionics Development Laboratory
ADM air data management
ADMS automated data management system
ADOP advanced distributed on-board processor
ADP acceptance data package
ADP acceptance documentation package
ADP Advanced Development Program (NASA)
ADP air data package
ADP air data probe
ADP automated data processing
ADP automatic data processing
ADPA air data probe assembly
ADPE automated data processing equipment
ADPE automatic data processing equipment
ADPF automated data processing facility
ADPL as-designed parts list
ADPS acceptance data package system
ADPSSM ADP system security monitor
ADR Aerospace and Defense Research
ADRL automatic drawing release list
ADS air data sensor
ADS air data system (subsystem)
ADS angular displacement sensor
ADS ascent design system
ADS attitude determination subsystem
ADS attitude display system
ADS audio distribution system
ADSA alternate demonstration structural article
ADSF automatic directional solidification furnace
ADT air data transfer
ADTA air data transducer assembly
ADU annunciator display unit
ADU ascent driver unit
AE architectural and engineering
AEB aft equipment bay
AEC aft end cone
AEC aft events controller
AEC American Engineering Council
AEC Atomic Energy Commission
AECS area entry control system
AECS automated entry control system
AED Aerospace Electrical Division (Westinghouse)
AED analog event distributor
AEDC Arnold Engineering Development Center
AEDS analog event distribution system
AEM acoustical emission monitoring
AEM arsenal exchange model
AEM assembly and external maintenance
AEOP adaptive electro-optical processor
AER Atomic Energy Research
AERO Aeroballistics (MSFC)
AES advanced electrical schematic
AES American Electrochemical Society
AES American Electroplaters Society
AES analog event system
AES atmosphere exchange system
AES Auger electron spectroscopy
AESOP an easy system of programming
AET aerosurface end-to-end test
AET algorithm evaluation and test
AETB alumina-enhanced thermal barrier
AETL approved engineering test laboratory
AF aft fuselage
AF Air Force
AF airframe
AF audio frequency
AF award fee
AF/DBS areal fluid data base system
AF/IN Air Force/Intelligence
AFA airframe assembly
AFA American Foundrymen's Association
AFAD armed forces acquisition document
AFAL Air Force Astronautics Laboratory
AFAL Air Force Avionics Laboratory
AFALD Air Force Acquisition Logistics Division (WPAFB)
AFAPL Air Force Aero Propulsion Laboratory
AFATL Air Force Armaments Test Laboratory
AFB Air Force base
AFBMA Antifriction Bearing Manufacturing Association
AFBMD Air Force Ballistic Missile Division
AFC aerodynamic flight control
AFC automatic flight control
AFC automatic frequency control
AFCS automatic flight control system
AFCSC Air Force Cryptologic Support Center
AFD acceptance for data
AFD aft flight deck
AFD assistant flight director
AFDE aft flight deck equipment
AFDO aft flight deck operator
AFDR ascent flight design review
AFE Aeroassist Flight Experiment
AFEB Award Fee Evaluation Board
AFEC Award Fee Evaluation Committee
AFESD Air Force Electronic Systems Division
AFETR Air Force Eastern Test Range
AFETRM Air Force Eastern Test Range Manual
AFEV Air Force experiment vehicle
AFF acceptance and ferry flight
AFFDL Air Force Flight Dynamics Laboratory
AFFTC Air Force Flight Test Center (EAFB)
AFFTC/RPL Air Force Flight Test Center/Rocket Propulsion
AFGE American Federation of Government Employees
AFGL Air Force Geophysics Laboratory
AFGWC Air Force Global Weather Center
AFI automatic fault isolation
AFLC Air Force Logistics Command
AFM Air Force manual
AFM arm/firing mechanism
AFMDC Air Force Missile Development Center
AFML Air Force Materials Laboratory
AFMTC Air Force Missile Test Center
AFO abort from orbit
AFO announced flight opportunity
AFOSH Air Force Occupational Safety and Health
AFOTEC Air Force Operational Test and Evaluation Center
AFP advanced flexible processor
AFP Air Force plant
AFP Ariane-furnished property
AFP888 designation for P80-1 spacecraft
AFPC Air Force Program Control
AFPD authorization for program development
AFPM Air Force program manager
AFPR Air Force plant representative
AFR Air Force regulation
AFRPL Air Force Rocket Propulsion Laboratory (EAFB)
AFRSI advanced flexible reusable surface insulation
AFS Air Force standard
AFS Air Force station
AFS ascent flight system
AFSA Air Force study and analysis
AFSAT Air Force satellite
AFSATCOM Air Force satellite communication(s)
AFSC Air Force Space Command
AFSC Air Force specialty code
AFSC Air Force Systems Command
AFSCF Air Force Satellite Control Facility
AFSCF Air Force Space Command Facility
AFSCF Air Force Systems Command Facility
AFSCN Air Force satellite control network
AFSCN Air Force Space Command network
AFSCS Air Force satellite communications system
AFSD Air Force Space Division
AFSIE Air Force standard items and equipment
AFSIG Ascent Flight System Integration Group
AFSLV Air Force space launch vehicle
AFSPACECOM Air Force Space Command
AFSRT avionics flight systems readiness test
AFSSD Air Force Space Systems Division
AFSTC Air Force Satellite Test Center
AFSTC Air Force Space Technology Center
AFSTC Air Force Space Technology Command
AFSWC Air Force Special Weapons Center (Holloman AFB)
AFT active fine tracker
AFT aerodynamic flight test
AFT atmospheric flight test
AFTA acoustic fatigue test article
AFTA aft frame tilt actuator
AFTEC Air Force Test and Evaluation Center
AFTOC Air Force Tactical Operations Center
AFTP Air Force test procedure
AFTS aft fuselage thrust structure
AFWAL Air Force Weapons Analysis Laboratory
AFWAL Air Force Wright Aeronautical Laboratory
AFWAL/ML Air Force Wright Aeronautical Lals Laboratory
AFWL Air Force Weapons Laboratory
AFWPAL Air Force Wright-Patterson Aeropropulsion Laboratory
AFWSG Air Force Weapons System Group
AFWTR Air Force Western Test Range
AG artificial gravity
AG attitude gyro
AGAA attitude gyro accelerometer assembly
AGAP attitude gyro accelerometer package
AGARD Advisory Group for Aeronautical Research and Development
AGC Aerojet General Corporation
AGC automatic gain control
AGCA automatic ground-controlled approach
AGCS automatic ground control station
AGCU air/ground cooling unit
AGCU attitude gyro coupling unit
AGE aerospace ground equipment
AGE air/ground equipment
AGE automatic ground equipment
AGI agreement item
AGL above ground level
AGL above-ground link
AGL absolute ground level
AGMA American Gear Manufacturer's Association
AGMC Aerospace Guidance and Metrology Center
AGN&C advanced guidance, navigation, and control
AGO Santiago, Chile (STDN)
AGOES advanced geosynchronous observation environment
AGOSS automated ground operations scheduling system (KSC)
AGREE Advisory Group in Reliability of Electronic Equipment
AGS abort guidance system
AGS antigravity suit
AGS ASPS gimbal system
AGT adaptive guidance throttling
AH ampere hour
AH attitude hold
AHCS advanced helicopter control system
AHI artificial horizon indicator
AHM automatic hold mode
AHP analytical hierarchy process
AHP pitch axis attitude hold
AHR ablative heat rate
AHR roll axis attitude hold
AHRS attitude heading reference system
AHS aft heat shield
AI action item
AI airspeed indicator
AI altimeter indicator
AI altitude indicator
AI anti-icing
AI artificial intelligence
AI associate investigator
AI/ES artificial intelligence/expert system
AIA Aircraft Industries Association
AIAA American Institute of Aeronautics and Astronautics
AICC action item control card
AICE American Institute of Chemical Engineers
AICP aerodynamic instrumental coefficient package
AICS action item closeout sheet
AID abbreviated item description
AID action item disposition
AID analog input differential
AID audit item disposition
AIDE aerospace installation diagnostic equipment
AIDS airborne integrated data system (subsystem)
AIEE American Institute of Electrical Engineers
AIIM Association for Information and Image Management
AIL Avionics Integration Laboratories
AILAS automatic instrument landing approach system
AILS automatic instrument landing system
AIM automatic information management
AIME American Institute of Mechanical Engineers
AIOD ascent insertion on-orbit deorbit
AIP aircraft instrumented payload
AIP avionics integration plan
AIR action item report
AIR adaptive intercommunication requirement
AIS action item sheet
AIS airborne imaging spectrometer
AIS airlock illumination subassembly
AIS analog-in single-ended
AISC American Institute of Steel Construction
AISD Autonetics ICBM Systems Division (Rockwell)
AISI American Iron and Steel Institute
AIST abbreviated integration system test
AIST advanced interferometric system technology
AIST Agency of Industrial Science and Technology
AISTR advanced interferometric system technology requirement
AIT autoignition test
AIU abort interface unit
AIU avionics interface unit
AJ antijamming
AJ assembly jig
AJCS automated job card system
AKA active keel actuator
AKM apogee kick motor
AL airlock
AL approach and landing
AL autoland
ALAS approach/landing autopilot subsystem
ALASAT air-launched antisatellite
ALASS alternate low-altitude surveillance system
ALB acceptance log book
ALC aft load controller
ALC air logistics center
ALC audio load compensator
ALC automatic level control
ALC automatic light control
ALCA aft load controller assembly
ALCA automatic level-control assembly
ALCC Airborne Launch Control Center
ALCM air-launched cruise missile
ALCOA Aluminum Corporation of America
ALCOM algorithm line-of-sight comparison
ALDC automatic load and drive control
ALDO activity-level-dependent operation
ALE Airborne Laser Experiment
ALE airport lighting equipment
ALERT acute launch emergency reliability tip
ALERT acute launch emergency restraint tip
ALFA air-lubricated free attitude
ALFT approach and landing flight test
ALGOL algorithmic language
ALIO activity-level-independent operation
ALL Airborne Laser Laboratory
ALMS automated logistics management system
ALOSA algorithm line-of-sight angle
ALPS advanced liquid propulsion system
ALPS approach and landing procedures simulator
ALRC Aerojet Liquid Rocket Company
ALRUTS automated line replaceable unit tracking system (KSC)
ALS Ada language system
ALS advanced launch system
ALS advanced logistics system
ALS airlock system
ALS alternative landing site
ALS approach/landing system
ALS automatic landing system
ALSA astronaut life support assembly
ALSE astronaut life support equipment
ALSEMP ALS Engineering Management Plan
ALSGEM ALS global evaluation module
ALSS advanced life support system
ALSS airlock support system (subsystem)
ALSSSWG ALS System Security Working Group
ALSSW ALS software
ALT approach and landing test
ALTR approach and landing test requirement
ALTS avionics LRU tracking system
ALU arithmetic/logic unit
ALV advanced launch vehicle
ALV advanced logistics vehicle
ALVIB algorithm payload vibration
AM actuator mechanism
AM Administration and Management Operations (KSC
AM aeromedical monitor
AM airlock module
AM alpha meter
AM amplitude modulated
AM amplitude modulation
AM antenna management
AM assurance management
AMAL Aeronautical Medical Acceleration Laboratory
AMAL Aviation Medical Acceleration Laboratory
AMBD automated maintenance data base
AMC aft motor controller
AMC Air Material Command
AMC Army Missile Command
AMC automatic manual control
AMC automatic mixture control
AMCA aft motor controller assembly
AMCC ADL master control console
AMCM advanced missions cost model
AMCR automated master change record
AMDCS assurance management document control system
AMDS advanced missions docking system (subsystem)
AME abort maneuver evaluator
AMEC aft master events controller
AMEU alpha/Mach indicator electronic unit
AMF abort motor facility
AMF apogee memory image
AMFL Aeromedical Field Laboratory
AMG Activation Management Group
AMG angle of the middle gimbal
AMI airspeed/Mach indicator
AMI alpha/Mach indicator
AMI apogee memory image
AMIC Automated Management Information Center
AMIS acquisition management information system
AMK aircraft modification kit
AML approved materials list
AMLC asynchronous multiline controller
AMLS advanced manned launch system
AMMM autonomous magnetic momentum management
AMO Aerospace Medical Operations (JSC)
AMOOS advanced maneuvering orbit-to-orbit Shuttle
AMOS Air Force Maui optical site
AMPD Applied Materials Physics Division
AMPR aeronautical manufacturer's planning report
AMPR aeronautical manufacturer's progress report
AMPS atmosphere, magnetosphere, and plasmas in space
AMPS atmospheric magnetospheric plasma system
AMPTE active magnetospheric particle tracer explorer
AMR area-to-mass ratio
AMR Atlantic Missile Range
AMRF Automated Manufacturing Research Facility
AMRO AMR operations
AMRV astronaut maneuvering vehicle
AMS acoustic measurement system
AMS actuation mechanism subsystem
AMS aeronautical material specification
AMS amplifier subsystem
AMS attached manipulator system
AMS automated material system
AMS automated measurement system
AMSC advanced military space flight capability
AMSD Autonetics Marine Systems Division
AMST advanced medium STOL transport
AMT auxiliary master tape
AMTAS automatic modal tuning and analysis system
AMTD automatic magnetic tape dissemination
AMTF Acoustic Model test Facility
AMU astronaut maneuvering unit
AMU attitude match update
AMW angular momentum wheel
AMX AM transmitter-receiver
AMY Ada management yield
AN alphanumeric
AN Army-Navy
ANA Air Force-Navy aeronautical bulletin
ANARS autonomous navigation and attitude reference system
ANC active nutation control
ANC Air Force-Navy-civil
AND Air Force-Navy aeronautical design standard
AND Air Force-Navy design
ANI authorized, not implemented
ANL automatic noise limiter
ANMCC Alternate National Military Command Center
ANRA air navigation radio aid
ANSI American National Standards Institute
ANT Antigua (ETR)
ANT Antigua Island
AO acoustic-optical
AO analog output
AO announcement of opportunity
AOA abort once around
AOA airborne optical adjunct
AOA American Ordnance Association
AOA angle of attack
AOC annual operating cost
AOC auxiliary output chip
AOCP ac on-board computer program
AOCP AVCS on-board computer program
AOCRD acceptance and operational checkout requirements
AOCS attitude and orbit control subsystem
AOD advanced object data
AOD Aircraft Operations Division (JSC)
AOD analog output differential
AOD assistant operations director
AOES advanced orbit ephemeris system
AOFEE advanced orbiter flight evaluation experiment
AOI area of interest
AOIS automatic optical inspection system
AOL area of launch
AOM acoustic-optic modulator
AOP annual operating plan
AOP assembly operations plan
AOPL advance order parts list
AOPM airline operations planning model
AOQ average outgoing quality
AOQL average outgoing quality limit
AOS acquisition of signal
AOS ACTS optical system
AOS airborne optical system
AOSP advanced on-board signal processor
AOT actual operating time
AOT alignment optical telescope
AOT avionics operating time
AOT avionics overall test
AP accelerometer package
AP access panel
AP access point
AP administrative procedure
AP air pressure
AP atmospheric and space physics
AP autopilot
AP Procurement, Supply, and Transportation (KSC
AP&P advanced plans and programs
APA abort programmer assembly
APA allowance for program adjustment
APAE attached payload accommodations equipment
APAS Aerodynamic Performance and Sizing Program
APC adaptive payload carrier
APC advanced propulsion comparison
APC aft power controller
APC airborne particle counter
APC armored personnel carrier
APC automatic phase control
APCA aft power controller assembly
APCP Aerojet photoelectric cell program
APD area passive dosimeter
APD avalanche photo diode
APDL Ada programming design language
APE arithmetic processing extension
APES advanced processor emulator system
APGC Air Proving Ground Command
API air position indicator
APIF automated process information file
APIRD authorized procurement information requirements
APIRL authorized procurement information requirements list
APK accelerometer package
APL applications program library
APLAC analysis program linear active circuit
APLIS automated payload ICD system
APLM applications program library maintenance
APM ascent particle monitor
APM assistant project manager
APM associate program manager
APMSM assembly phase maintenance simulation model
APN ACE problem notice
APO automated purchase order
APP advance procurement package
APP astrophysics payload
APPF Automated Payload Processing Facility
APPLE advanced propulsion payload effect
APPS auxiliary payload power system
APR advance parts release
APRF Army Pulse Radiation Facility
APS aft propulsion system (subsystem)
APS ascent propulsion system
APS attitude propulsion system (subsystem)
APS automated planning system
APS automatic processing system
APS auxiliary power subsystem
APS auxiliary propulsion system
APSAP auxiliary propulsion system aft pod
APSE Ada programming support environment
APSS atmospheric pressure supply subsystem
APT airborne pointer tracker
APT astronaut preference test
APT automatic programmed tool
APTE automated production test equipment
APTI actions per time interval
APU auxiliary power unit
APU auxiliary propulsion unit
APUS auxiliary power unit subsystem
APUT auxiliary power unit test
APWL automatically processed wire list
AQL acceptance quality level
AR acceptance readiness
AR acceptance review
AR acid resisting
AR antireflection
AR antireflective
AR as required
AR atmospheric revitalization
ARA attitude reference assembly
ARA auxiliary recovery antenna
ARABSAT Saudi Arabian communications satellite
ARAP Aeronautical Research Associates of Princeton
ARAP astronaut rescue air pack
ARAR accident risk assessment report
ARC aggregation of red blood cells
ARC Ames Research Center (NASA, Moffet Field, California)
ARC automatic responsivity correction
ARCOMSAT Arab League communications satellite
ARCS aft reaction control subsystem
ARD abort region determinator
ARDC Air Research and Development Command (Air Force)
ARES advanced railroad electronic system
ARFDS automatic reentry flight dynamics simulator
ARGMA Army Rocket and Guided Missile Agency
ARIA advanced range instrumentation aircraft
ARIES astronomical radio interferometric Earth surveying
ARINC Aircraft Radio, Incorporated
ARIS advanced range instrumentation ship
ARIS ALS requirements information system
ARMA accumulator-reservoir manifold assembly
ARMS automated requirements management system
ARN action and reply notice
ARN additional reference number
ARP as-run procedure
ARPA Advanced Research Projects Agency (DOD)
ARPCS atmosphere revitalization pressure control system
ARPCS atmospheric revitalization pressure control system
ARPESH accurate and reliable prototype Earth sensor head
ARQ automatic request
ARRS air recovery and rescue service
ARS Air Rescue Service
ARS air revitalization system (subsystem)
ARS ALS release system
ARS American Rocket Society
ARS atmosphere revitalization subsystem
ARS atmospheric revitalization section
ARS atmospheric revitalization system
ARS attitude reference system
ARSDA advanced radiation space defense application
ART automated reasoning tool
ARTCC air route traffic control center
ARTO Advanced Radiation Technology Office
ARTOOS Advanced Radiation Technology Office optical support
ARTS advanced remote tracking station
ARTS automated restricted tracking system
ARTS automated retrieval and tracking system
ARTSE Ada run-time support environment (for embedded systems)
ARU attitude reference unit
AS antispoof
AS&ASD Autonetics Sensors and Aircraft Systems Division
AS/CP attitude set/control panel
AS/RS automated storage and retrieval system
ASA abort sensor assembly
ASA adapter service area
ASA advanced system avionics
ASA aerosurface amplifier
ASA aerosurface servoamplifier
ASA American Standards Association
ASAC aerodynamic surfaces assembly and checkout
ASAP ACE Shuttle application processing
ASAP advanced sensor analysis program
ASAP Aerospace Safety Advisory Panel
ASAP as soon as possible
ASAPTS automated scheduling and product tracking system
ASAS aerodynamic stability augmentation system
ASAT antisatellite
ASATS antisatellite simulation
ASB airlock stowage bag
ASC aerodynamic surface control
ASC aerosurface control
ASC airlock support component
ASC American Satellite Corporation
ASC array stowage container
ASC Ascension Island
ASC automatic sensitivity control
ASC auxiliary switch normally closed
ASCADS aft station command and data system
ASCE airlock signal conditioning electronics
ASCE American Society of Civil Engineers
ASCII American Standard Code for Information Interchange
ASCOP Applied Science Corporation of Princeton (Division of EMR)
ASCP attitude set control panel
ASCS atmosphere storage and control subsystem (Spacelab)
ASCS atmospheric storage and control section
ASCS attitude stabilization and control system
ASD advanced systems development
ASD Aeronautical Systems Division (Air Force)
ASDE aerosurface driver electronics
ASDM aerosurface driver/monitor
ASDTIC analog-signal-to-discrete-time-interval converter
ASE advanced space engine
ASE aerospace support equipment
ASE airborne support equipment
ASE automatic support equipment
ASEA American Society of Engineers and Architects
ASED Avionics System Engineering Division (JSC)
ASF Atmospheric Science Facility
ASFT abbreviated system functional test
ASFTS auxiliary system function test stand
ASG Aeronautical Standards Group
ASG Avionic Subsystems Group
ASGPD attitude set and gimbal position display
ASI airspeed indicator
ASI amended shipping instructions
ASI augmented spark igniter
ASI augmented spark indicator
ASI augmented system ignition
ASIC application-specific integrated circuit
ASIC application-specific integration circuit
ASK amplitude shift keying
ASKA automatic system for kinematic analysis
ASL above sea level
ASL approved source list
ASLU antenna select logic unit
ASM air-to-surface missile
ASM American Society for Metals
ASME American Society of Mechanical Engineers
ASN average sample number
ASO auxiliary switch normally open
ASO Aviation Safety Office
ASP aerosurface position
ASP airborne science program
ASPI aerosurface position indicator
ASPP atmospheric and space plasma physics
ASPR armed service procurement regulation
ASPS annular suspension and pointing system
ASPSL ASPP Sortie Laboratory
ASQC American Society for Quality Control
ASR air-sea rescue
ASR automatic send and receive
ASR avionic system review
ASRE American Society of Refrigerating Engineers
ASRM abort solid rocket motor
ASRM advanced solid rocket motor
ASRS automated Shuttle requirement system
ASRS automated support requirements system
ASSD Autonetics Strategic Systems Division
ASSE American Society of Sanitary Engineers
ASSESS airborne science Shuttle experiments system simulation
ASSH advanced space systems hardening
ASSO assistant system security officer
ASST American Society for Steel Treating
AST all-systems test
AST Atlantic standard time
ASTB AGN&C simulation test bed
ASTD Advanced Space Technology Division
ASTE American Society of Tool Engineers
ASTF Aeropropulsion System Test Facility
ASTG Aerospace Test Group
ASTIA Armed Services Technical Information Agency
ASTM American Society for Testing Materials
ASTP Apollo-Soyuz Test Project
ASTRA advanced star tracker
ASTRO ascent trajectory optimization
ASTS avionic system test specification
ASVIB algorithm scoreboard vibrations
AT access tower
AT action time
AT assembly truss
AT&L acceptance test and logistics
AT&T American Telephone & Telegraph
ATA abort time assembly
ATA advanced tactical aircraft
ATA aft test article
ATA Air Transport Association
ATA assembly test article
ATA avionics test article
ATAC Advanced Technology Advisory Committee
ATC ablative thrust control
ATC active thermal control
ATC Air Training Command
ATC air traffic control
ATC aircraft target computer
ATC assistant test conductor
ATC ATE computer
ATC/FTD Air Training Command/Field Training Detachment
ATCA attitude translation control assembly
ATCO ambient temperature catalytic oxidizer
ATCS active thermal control system (subsystem)
ATDAP aircraft target data acquisition program
ATDB aerothermal data book
ATDB aerothermodynamic data book
ATDF automated test development folder
ATDP acceptance test data package
ATDP aircraft target data program
ATDRP aircraft target data reduction program
ATE aerospace training equipment
ATE airborne test equipment
ATE automated test equipment
ATE automatic test engineer
ATE automatic test equipment
ATF advanced tactical fighter
ATG Aerospace Test Group
ATG automated time line generator
ATH above the horizon
ATI average total inspection
ATIS automatic terminal information system
ATL Advanced Technology Laboratories
ATL Aero-Thermal Lab (Marquardt)
ATL Avionics Test Laboratory
ATLAS abbreviated test language for avionic systems
ATLAS analysis of thrust structure loads and stresses
ATM Apollo telescope mount
ATM ascent trajectory model
ATO abort to orbit
ATO automatic turn-on
ATOLL acceptance test of launch language
ATOP Ada technology operational planning
ATOS automated technical order system
ATP acceptance test procedure
ATP acceptance test program
ATP acquisition, tracking, and pointing
ATP activation test program
ATP advanced technical payroll
ATP airborne tracking and pointing
ATP authority to proceed
ATP-FC acquisition, tracking, and pointing fire control
ATPA alpha temperature probe assembly
ATPG automatic test program generator
ATPSE acquisition, tracking, and pointing system emulator
ATR air transport rack
ATR air transport radio
ATR air transport rating
ATR air transportation rack
ATRS automated training records system
ATS acceptance test specification
ATS Atlantic tracking station
ATS automatic terminal system
ATS automatic test set
ATS automatic transcribing system
ATS administrative telephone system
ATS administrative terminal system
ATS advanced technology satellite
ATS analog tone signal
ATS applications technology satellite
ATS assembly trusses and structure
ATS asynchronous task storage
ATS Atlantic tracking ship
ATT acceptance thermal testing
ATTACK advanced threat technology attack coordination and
ATTS automatic telemetry tracking system
ATU audio terminal unit
ATU audio/thermal unit
ATVC ascent thrust vector control (controller)
ATVC automatic thrust vector control
ATVCD ascent thrust vector control driver
ATVCS automatic thrust vector control system
AU accounting unit
AU astronomical unit
AUASAM automatic aimpoint selection and maintenance
AUB aft utility bridge
AUC average unit cost
AUCV advanced unmanned cargo vehicle
AUDF automated unit development folder
AUF authorized user file
AUP Ames unitary plan (wind tunnel)
AUTO-BF automatic body flap
AUTO-P automatic pitch control mode
AUTO-YR automatic yaw roll mode
AUTODIN automatic digital network
AUTOVON automatic voice network
AV audiovisual
AV average value
AVC automatic volume control
AVCG automatic vapor crystal growth
AVCOR algorithm vibration correlation
AVCS attitude and velocity control system (subsystem)
AVD air vehicle detection
AVE aerospace vehicle equipment
AVE airborne vehicle equipment
AVE atmospheric variability experiment
AVE automatic volume expansion
AVE Avenal (TACAN station)
AVID automated verification information data base
AVL address validity
AVL Avionics Verification Laboratory
AVLSI advanced, very large scale integration
AVO avoid verbal orders
AVRCS attitude, velocity, reaction control system
AVREL availability and reliability program
AVSM auxiliary video switch matrix
AVT acceptance vibration testing
AVVEU altitude/vertical velocity indicator electronic unit
AVVI altitude/vertical velocity indicator
AW airlock wall
AW assembly workstand
AWAA attack warning and attack assessment
AWACS advanced warning and control system
AWCS agency-wide coding structure
AWG Activation Working Group
AWG American wire gauge
AWI accommodation weight investigation
AWL augmented wire list
AWL automated wire list
AWPV automated weld process verification
AWS advance warning system
AWS air weather service
AWS American Welding Society
AWS automated wiring system
AXAF Advanced X-ray Astrophysics Facility
AZEL azimuth and elevation
Ada DOD high-level programming language
Adc amperes direct current
Al-Li aluminum lithium
B&P budgetary and planning
B-L bill of lading
B/A barometric
B/A boost/abort
B/A buffer amplifier
B/C bench check
B/L baseline
B/M bench maintenance
B/O booster/orbiter
B/O breakout
B/O burnout
B/P blood pressure
B/SC brake/skid control
B/V bleed valve
BA bank angle
BA breathing air
BAC Boeing Aerospace Company
BAC Boeing Aircraft Company
BAC booster assembly contractor
BAC budget at completion
BAC buffer access card
BACS body axis coordinate system
BAF Barnes absorption filter
BAFO best and final offer
BAI barometric altitude indicator
BAIR breathing air
BAN budget allocation notice
BAROC baroset correction
BARS baseline accounting and reporting system
BAS breathing air system
BASD Ball Aerospace Systems Division
BASS backup avionics system software
BATE base activation test equipment
BATES battlefield artillery tactical engagement system
BATSE Burst and Transient Source Experiment
BAU business as usual
BB baseband
BB brassboard
BB breadboard
BBC before-business clearance
BBN Bolt, Beranek, and Newman
BBS DEC all-in-one bulletin board system
BBXRT broadband X-ray telescope
BC base construction
BC broadcast
BC bus coupler
BC baseline configuration
BC battery charge
BC battery conditioner
BC bell cord
BC beta cloth
BC between centers
BC binary counter
BC bolt center
BCC beacon control console
BCCT break control command transducer
BCD baseline concept definition
BCD baseline configuration document
BCD binary-coded data
BCD budget change document
BCE backup control electronics
BCE burn control element
BCE bus control element
BCH base Chaudhuri-Hocquenghen
BCH binary-coded hexadecimal
BCI baseline configuration identification
BCID baseline candidate item data base
BCLS base cardiac life support
BCO booster cutoff
BCP base condemnation percent
BCP benchmark control point
BCR bar chart report
BCR budget change request
BCRD basic consolidated requirements document
BCRT binary code range time
BCS beam control system
BCT bus configuration table
BCU battery control unit
BCU bus control unit
BCWP budget costs for work performed
BCWS budgeted cost for work scheduled
BD binary decoder
BD binary digit
BD binary discrete
BDA backup drive amplifier
BDA Bermuda Island (STDN)
BDCR baseline document change request
BDD baseline definition document
BDD burst detection dosimeter (IGS)
BDD burst detector dosimeter
BDI budget data and integration
BDP burst detection processor (IGS)
BDP burst detector processor
BDS-2 booster phase detection system
BDT block data transfer
BDW burst detector EMP sensor
BDW EMP sensor
BDX burst detection X-ray sensor
BDX burst detector X-ray sensor
BDY burst detector optical sensor
BE beam expander
BE bell end
BEAF beam expander alignment function
BEC backup event controller
BECO booster engine cutoff
BER bit error rate
BESS biomedical experiment scientific satellite
BESS biomedical experiment support satellite
BEST booster exhaust study test
BET best-estimate trajectory
BET best estimate of trajectory
BETA ballistic exploitation and target acquisition
BF back feed
BF beat frequency
BF body flap
BFC backup flight control (controller)
BFC body flap control
BFCS backup flight control system
BFEC Bendix Field Engineering Corporation
BFL back focal length
BFL Bakersfield (TACAN station)
BFN beam-forming feed network
BFO beat frequency oscillator
BFP buyer-furnished part
BFRP boron fiber-reinforced plastic
BFS backup flight software
BFS backup flight system
BFSPLP BFS payload preprocessor
BFSS backup flight software system
BG back gear
BH/MP breather hose/mouthpiece
BHN Brinell hardness number
BHP brake horsepower
BHS base heat shield
BI background information
BIA booster insertion and abort
BIA bus interface adapter
BIB blocked impurity band
BIBIB back-illuminated blocked impurity band
BIC bus interface controller
BILBO built-in logic block observer
BIS biocide injection system
BISC biomedical instrumentation, scientific and crew
BIT built-in test
BITE built-in test equipment
BITS budget impact tracking system
BIU buffer interface unit
BIU bus interface unit
BJR blockhouse junction rack
BKNO3 boron-potassium nitrate
BLOW booster lift-off weight
BLPG buried long-period grating
BLS bottom left side
BLV bleed valve
BM ballistic missile
BM battle management
BM bench maintenance
BM body-mounted
BM branch manager
BM business manager
BM-TW/AA ballistic missile tactical warning/attack
BM/C3 battle management and command, control, and
BMA body-mounted accelerometer
BMAG body-mounted attitude gyro
BMAP buffer map
BMAS body-mounted accelerometer system
BMB base maintenance building
BMB bench maintenance building
BMC3 battle management communications (three types)
BMD ballistic missile defense
BMDATC Ballistic Missile Defense Advanced Technology Center
BMDSCOM Ballistic Missile Defense Systems Command
BME bench maintenance equipment
BMEWS ballistic missile early warning system
BMFT German D-1 Spacelab payload
BMI Battelle Memorial Institute
BMMD body-mass measuring device
BMO Ballistic Missile Office
BMO ballistic missile organization
BMS background measurement satellite
BMS battle management simulation
BMTS bench maintenance test set
BMU bus monitor unit
BMVU ballistic missile view
BN ballistic number
BN bullnose
BNS bomb navigation system
BO beating oscillator
BOA broad ocean area
BOC Base Operations Contract (contractor)
BOC blowout coil
BOD beneficial occupancy date
BOD bright-object detector
BOE break of entry
BOF beginning of file
BOI break of integrity
BOL beginning of life
BOM beginning of month
BOM bill of material
BOP baseline operations plan
BOP basic overall polarity
BOPACE Boeing plastic analysis capability for engines
BOS backup operating system
BOS bright-object sensor
BOSO ballistic orbital support operations
BOT beginning of tape
BOW bill of work
BP back pressure
BP budgetary and planning
BP buttock plane
BP bandpass
BP barber pole
BP base plate
BP bid and proposal
BP blood pressure
BP blueprint
BP boilerplate
BP boiling point
BPC backpressure control
BPC boost protective cover
BPD baseline program document
BPD baseline program documentation
BPI boost phase intercept
BPMS blood pressure measuring system
BPO blanket purchase order
BPR bimonthly progress report
BPR bypass ratio
BPS boost propulsion system
BPSK biphase shift key
BPSK biphase shift keying
BPT body point
BPV bipropellant valve
BR bit rate
BRAVO business risk and value of operation in space
BRCS basic reference coordinate system
BRDF bidirectional reflectance distribution function
BRF band rejection filter
BRIL budget receipt/issuance log
BRL Ballistic Research Laboratory
BRM baseline reference mission
BRM biological research module
BRRS Banana River Repeater Station
BRS bottom right side
BS backup subsystem
BS beam splitter
BS block specification
BSA battery bus solar array
BSA bus status/alternate bus table
BSC brake skid controller
BSD Ballistic Systems Division
BSDP booster-stage discharge pressure
BSE booster systems engineer
BSEE Bachelor of Science degree in electrical engineering
BSGE Bachelor of Science degree in general engineering
BSI basic shipping instruction
BSI Boeing Services International
BSI booster situation indicator
BSM beam-steering mechanism
BSM booster separation motor
BSME Bachelor of Science degree in mechanical engineering
BSP business system planning
BSR basic system release
BSR BITE status register
BSRM booster solid rocket motor
BSS backup system services
BSTS boost surveillance and tracking system
BSTS boost surveillance tracking system
BSW BFS software
BT burn time (engine)
BTC binary time code
BTC bus tie contractor
BTE bench test equipment
BTH below the horizon
BTMS body temperature measuring system
BTR burn time remaining
BTR bus transfer
BTU bus terminal unit
BU&C/O buildup and checkout
BUAER Bureau of Aeronautics (Navy)
BUC backup computer
BUC Buckhorn (GSTDN)
BUFC backup flight controller
BUIC backup interceptor control
BUN BITE update notice
BUORD Bureau of Ordnance (Navy)
BUOU backup optical unit
BUR backup rate
BUSGEN Bussin generator
BUSHIPS Bureau of Ships
BV balanced voltage
BV boost vehicle
BV booster vehicle
BVC boost voltage converter
BW bandwidth
BW beam width
BW bridge wire
BWG Birmingham wire gauge
BWO backward wave oscillator
Btu British thermal unit
C candle
C core (metal)
C cosine
C cycle
C hundred
C capacitance
C cathode
C Celsius
C center
C centigrade
C coefficient
C complete
C constant
C&C command and control
C&C communication and control
C&CS command and control subsystem
C&D communication and data
C&D controls and displays
C&DH command and data handling
C&DP control and data processor
C&DS command and data simulator
C&DSS communication and data subsystem
C&I communication and instrumentation
C&M control and monitoring
C&P contracts and pricing
C&T communication and tracking
C&TS communications and tracking system
C&TSS communication and tracking subsystem
C&W caution and warning
C-BARS classified baseline accounting and reporting system
C-C carbon-carbon
C-C center-to-center
C-DEL complete delivery
C-RFE C-band RF electronics
C-to-C computer-to-computer
C/A coarse acquisition (navigation signal)
C/A code standard positioning service
C/B circuit breaker
C/C combustion chamber
C/D countdown
C/DPM cost/design performance management
C/F center frequency
C/O changeout
C/O checkout
C/O contamination/overpressure
C/O cutoff
C/P cold plate
C/R commutation rate
C/S cost/schedule
C/S/P cost/schedule/performance
C/SC cost/schedule control
C/SCS cost/schedule control system
C/SCSC cost and schedule control system criteria
C/SCSC cost/schedule control systems criteria
C/SR cost/schedule report
C/SSR cost/schedule status report
C/T control and timing
C/W carrier wave
C/W caution and warning
C2 command and control
C2I command, control, and intelligence
C2S command and control subsystem
C3 command, control, and communications
C3I command, control, communications, and intelligence
CA carrier aircraft
CA completion of assembly
CA cone angle
CA contract advice
CA contract award
CA corrective action
CA cost account
CA critical analysis
CAA Civil Aeronautics Administration
CAA composite audio amplifier
CAA cost account authorization
CAALIS computer-aided assembly-line inspection system
CAAT computer-aided assembly tool
CAB Civil Aeronautics Board
CAB Civil Aviation Board
CAB computer address bus
CAB Corrective Action Board
CAB Cost Audit Board
CACB center aisle connector bracket
CACC communications and configuration console
CAD computer-aided design
CAD-OPS computer-aided design costing for operations
CADAM computer graphics augmented design and manufacturing
CADDS computer-aided design and drafting system
CADE controller/attitude direct electronics
CADFISS computation and data flow integrated subsystem
CADS command and data simulator
CADS computer-aided design system
CADSI communication and data systems integration
CADU control and display unit
CAE computer-aided engineering
CAE corrective action engineer
CAFB Chanute Air Force Base
CAI computer-aided instruction
CAIT computer-aided instruction terminal
CAIT computer-aided instruction trainer
CAL canister airlock
CAL computer-aided logistics
CAL contract advice letter
CAL Cornell Aeronautical Laboratory
CALS computer-aided acquisition and logistics support
CALS computer-aided logistics system
CALST Cornell Aeronautical Laboratory Shock Tunnel
CAM carrier aircraft modification
CAM Civil Aeronautics Manual
CAM computer annunciation matrix
CAM computer-aided manufacturing
CAM content-addressable memory
CAM cost account manager
CAMERA control and monitoring equipment resource allocation
CAMP common Ada missile package
CAMP computer-aided message processing
CAN certification analysis network
CAO Cost Administration Office
CAP capability assurance program
CAP computer application program
CAP contractor-acquired property
CAP cost account package
CAP cost account plan
CAP crew activity plan
CAPRI capacitance rate integrator
CAPS common attitude pointing system
CAPS crew activity planning system
CAPS crew altitude protection suit
CAPS crew altitude protection system
CAPSS computer-aided planning and scheduling system
CAR certification analysis requirements
CAR certification approval request
CAR configuration and acceptance review
CAR contractual action request
CAR corrective action record
CAR corrective action report
CAR corrective action request
CAR customer acceptance review
CARB Central Acquisition Review Board
CARDE Canadian Armament Research and Development Establishment
CARID customer acceptance report item disposition
CARID customer acceptance review item disposition
CARM customer accommodation requirement model
CARR customer acceptance readiness review
CARR customer accommodation requirement representative
CARS configuration accounting and reporting system
CAS calibrated airspeed
CAS CITE augmentation system
CAS command augmentation system
CAS computer airspeed
CAS configuration accounting system
CAS cooperative application satellite
CAS cost accounting standard
CAS crew accommodation system
CAS-P CAS pitch control mode
CAS-YR CAS yaw roll control mode
CASB Cost Accounting Standards Board
CASE care application service element
CASE computer-aided system engineering
CASE computer-automated software engineering
CASES control and structures experiments for space
CASO cancellation addendum sales order
CASP change assessment summary package
CASR cost and schedule reporting system
CASS CITE augmentation support system
CASS consolidated automated support system
CAT computer-aided test
CAT control attenuator timer
CAT-2 communications and tracking comprehensive analysis tool
CATS change action tracking system
CATS correspondence action tracking system
CAU command acquisition unit
CAU command activation unit
CAU customer acquisition unit
CAWG Customer Accommodation Working Group
CB center of buoyancy
CB circuit breaker
CB coax (or coaxial) interface bracket
CB control board
CBA C-band transponder antenna
CBA collective bargaining agreement
CBARS classified baseline accounting and reporting system
CBB contract budget baseline
CBC change board commitment
CBC complete blood count
CBE connector bracket experiment
CBIL common and bulk items list
CBO Congressional Budget Office
CBP connector bracket power
CBR California bearing ratio
CBS connector bracket signal
CBSA cargo bay stowage assembly
CBT computer-based training
CBV cabin bleed valve
CBW constant bandwidth
CBX C-band transponder
CBrF3 bromotrifluoromethane (fire-extinguishing material)
CC carbon-carbon
CC contract completion
CC control center
CC corner cube
CC cost center
CC crew certified
CC crew compartment
CC channel controller
CC closing coil
CC color code
CC commercial control
CC communications control
CC compatibility change
CC computer center
CC contamination control
CCA communications carrier assembly
CCA contract change authority
CCA contract change authorization
CCAFS Cape Canaveral Air Force Station
CCATS command communications and telemetry system
CCB Change Control Board
CCB Configuration Control Board
CCBD Configuration Control Board directive
CCBD Control Change Board directive
CCC central computer complex
CCC command control console
CCC communication control center
CCC complex control center
CCC computer checkout console
CCC Consolidated Controls Corporation
CCC contaminant control cartridge
CCC controller checkout console
CCC coordinate conversion computer
CCCD crew compartment configuration drawing
CCD central command decoder
CCD charge-coupled device
CCD checkout command decoder
CCD constants change display
CCDR contractor critical design review
CCE computer command engineer
CCE continuous control evaluator
CCF central computer facility
CCF converter compressor facility
CCFF Cape Canaveral Forecast Facility
CCFT controlled current feedback transformer
CCHS crew compartment heat shield
CCIM command computer input multiplexer
CCIR International Radio Consultative Committee
CCL closed-circuit loop
CCL commonality candidate list
CCL critical characteristics list
CCM controlled carrier modulation
CCM counter-countermeasure
CCM crew/cargo module
CCME contract change mass estimate
CCMS checkout, control, and monitor subsystem (LPS)
CCMS command, control, and monitor system
CCMTA Cape Canaveral Missile Test Annex
CCN contract change negotiation
CCN contract change notice
CCN contract change notification
CCO contract change order
CCO current-controlled oscillator
CCO customer contracting officer
CCOH corrosive contaminants, oxygen, and humidity
CCP center console panel
CCP contamination control plan
CCP contract change proposal
CCP controlled components program
CCP corrosion control plan
CCP cost control program
CCP Change Control Panel
CCP change control package
CCP commercial change proposal
CCP computer control panel
CCP configuration change point
CCP Configuration Control Panel
CCP configuration control phase
CCP configuration control point
CCPDSR common center processing and display system replacement
CCPDSR communications center processing and display system
CCR cargo compatibility review
CCR configuration control record
CCR contract change record
CCR contract change request
CCR contractor change review
CCR control center rack
CCRA Cape Canaveral reference atmosphere
CCRF consolidated communication recording facility
CCS central computer and sequencer
CCS central control section
CCS central control station
CCS command and communication system
CCS complex control set
CCS computer core segment
CCS console communication system
CCS contamination control system
CCS contract control system
CCSD Chrysler Corporation Space Division
CCSD Collins Communications Systems Division
CCSDS Consultative Committee for Space Data Systems
CCSR carbon-carbon survivable radiator
CCSR crew compartment stowage review
CCT command/control transmitter
CCT computer-compatible tape
CCTCF communication circuit technical control facility
CCTV closed-circuit television
CCU camera control unit
CCU central control unit
CCU communications carrier umbilical
CCU communications carrier unit
CCU coupling control unit
CCU crew communications unit
CCU crew compartment umbilical
CCU crewman communications umbilical
CCV chamber coolant valve
CCVA chamber coolant valve actuator
CCW counterclockwise
CCZ command and control zone
CD call director
CD candela (luminous intensity)
CD coefficient of drag
CD coin dimple
CD cold-drawn
CD command decoder MDM
CD components demonstration
CD countdown
CD current density
CD&SC Communications, Distribution, and Switching Center
CD/V concept definition and validation
CDA command and data acquisition
CDA critical design audit
CDAS configuration design analysis simulation
CDAS configuration development analysis and simulation
CDAS configurations development analysis simulation
CDAS core design analysis simulation
CDB central data buffer
CDB command data base
CDB computer data bus
CDBFR common data buffer
CDC classified document control
CDC Collins Defense Communications
CDC command and data handling console
CDC Computer Development Center (NASA)
CDC confined detonating cord
CDC Control Data Corporation
CDC countdown clock
CDCD cargo design control drawing
CDCD Collins Defense Communications Division
CDCM coupling display, manual control IMU
CDCO coupling display, manual control optics
CDD command decoding and distribution
CDD common data dictionary
CDDB common diagnostic data base
CDDT countdown demonstration test
CDF cable distribution frame
CDF central data facility
CDF circuit design fabrication
CDF combined data file
CDF confined detonating fuse
CDF cool-down facility
CDF&TDS circuit design, fabrication, and test data
CDG Concept Development Group
CDH constant delta height
CDH constant differential height
CDI contract definition instruction
CDI course deviation indicator
CDID contract data item description
CDM communications data manager
CDM configuration design module
CDMA code division multiple access
CDMS command and data management system (subsystem)
CDMS contractor data management system (VAFB)
CDN CDR discrepancy notice
CDNR CDR discrepancy notice record
CDOM chief draftsman office memorandum
CDP command data processor
CDP computational data processing
CDP computer data processing
CDP confidence development program
CDP critical design parameter
CDPA classified data preparation area
CDPIS command data processing and instrumentation system
CDQ certificate of qualification
CDQR critical design and qualification review
CDR cleaning, decontamination request
CDR command destruct receiver
CDR conceptual design review
CDR configuration design review
CDR contract data requirements
CDR critical design review
CDRL contract data requirements list
CDRR contract documentation requirements record
CDRS contract data requirements schedule
CDS cavity digitizing system
CDS control and display system
CDS control data system
CDS controller select direction
CDS coupling display system
CDS central data subsystem (LPS)
CDS central data system
CDS closeout door system
CDS cold-drawn steel
CDS computer design and simulation
CDS configuration design system
CDS configuration development system
CDS consolidated direct support
CDSC Communication Distribution and Switching Center
CDSC coupling-display scanning-telescope manual control
CDSF commercially developed space facility
CDSL Computer Data System Laboratory
CDSR contract data status report
CDSR cost data summary report
CDT central daylight time
CDT command descriptor table
CDT compressed data tape
CDT configuration data table
CDT countdown time
CDU computer display unit
CDU coupling data unit
CDU coupling display unit
CDU CRT display unit
CDUM coupling display unit IMU
CDUO coupling display unit optics
CDW command data word
CDW computer data word
CDW control data word
CE cargo element
CE change engineer
CE change evaluation
CE civil engineering
CE control element
CE Corps of Engineers
CE cost element
CE crew equipment
CE current expendable
CE/CK computer entry/control keyboard
CEA circular error average
CEA Computer Engineering Associates
CEA control electronics assembly
CEC Civil Engineering Corps
CEC Consolidated Electrodynamics Corporation
CEC Consolidated Electronics Corporation
CEC control electronics container
CEC control encoder coupler
CECP compatibility engineering change proposal
CEDC cyclic error detection code
CEEP composite entry evaluation program
CEF comsec equipment facility
CEI configuration end item
CEI contract end item
CEIAC Coastal Engineering Information Analysis Center
CEIS combined elements and integrated systems
CEIS contract end item specification
CEIT cargo equipment integrated test
CEIT crew equipment integration test
CEIT crew equipment interface test
CELSS controlled ecological life support system
CELV commercial expendable launch vehicle
CEM cost estimating method
CEMF counterelectromotive force
CEO chief engineer's office
CEO chief executive officer
CEP circle of equal probability
CEP circular error probability
CEP circular error probable
CEP comsec equipment program
CEP configuration evaluation plan
CEPS CITS expert parameter system
CEQ Council on Environmental Quality
CER cost estimating relationship
CES combined Earth sensor
CES concept evaluation study
CES conical Earth sensor
CES control electronics section
CES crew escape system
CESA Canadian Engineering Standards Association
CET clutter equivalent target
CET combined element test
CETA crew and equipment translation aid
CETF Critical Evaluation Task Force
CEU control electronics unit
CF carrier frequency
CF center forward
CF center of flotation
CF centrifugal force
CF completion form
CF consequence of failure
CF corner fitting
CFAE contractor-furnished airborne equipment
CFAR constant false alarm rate
CFC central fire control
CFC chlorofluorocarbon
CFD computational fluid dynamics
CFD converter frequency to dc voltage
CFD cumulative frequency distribution
CFE central framework executive
CFE consolidated front end
CFE contractor-furnished equipment
CFE critical function equipment
CFE customer-furnished equipment
CFES continuous flow electrophoresis system
CFI card format identifier
CFM customer-furnished material
CFP conceptual flight profile
CFR Code of Federal Regulations
CFRP carbon-fiber-reinforced plastic
CFSD critical-function sequence diagram
CFSR contract fund status report
CFSR contract funds status review
CFSTI Clearinghouse for Scientific and Technical Information
CFT cross-functional team
CFY company fiscal year
CGAD Collins General Aviation Division
CGAU cabin gas analysis unit
CGC command guidance computer
CGF command generation function
CGL comprehensive general liability
CGP central grounding point
CGSS cryogenic gas storage system
CH case hardening
CH control house
CH/SL certified hardware/software list
CH4 methane
CHARM composite high-altitude radiation model
CHI computer-to-human interface
CHIP College Hire Indoctrination Program
CHL certified hardware list
CHR Cooper-Harper rating
CHROMEX chromosome and plant cell division in space
CHSF cargo hydrazine service facility
CHW command header word
CHX cabin heat exchanger
CHX condensing heat exchanger
CI cast iron
CI crew interface
CI center of impact
CI certification inspection
CI color interior film
CI configuration inspection
CI configuration item
CI continuous interlock
CI contract initiation
CI course invalid
CIA Central Intelligence Agency
CIA configuration identification accounting
CIA control interface assembly
CIA controller interface assembly
CIAP climatic impact assessment program
CIB Change Impact Board
CIB Change Implementation Board
CIB control interface block
CIC cargo integration contractor
CIC command interface control
CIC control and information center
CIC critical item consolidation
CICC cargo integration control center
CICCR configuration information control center requirement
CICU communication interface control unit
CICU computer interface conditioning unit
CID cable interconnect diagram
CID charge injection device
CID computer interface device
CIDL configuration item data list
CIDR critical intermediate design review
CIDSC contractor in-house data support capability
CIE cargo integration equipment
CIE communications interface equipment
CIF Central Information Facility (AMR)
CIF central instrumentation facility
CIG Cable Integrity Group
CIG Communications and Interface Group
CIG compound interlace grating
CIG Connector Integration Group
CIG Connector Integrity Group
CII change installation instruction
CII configuration item identifier
CIJB cradle interface junction box
CIL critical items list
CIM computer input multiplexer
CIM computer-integrated manufacturing
CIMS consolidated information management system
CIN center information network
CIN change identification number
CIN change identifier number
CINC commander-in-chief
CINCAD commander-in-chief, Air Defense
CINCNET commander-in-chief network
CINCNORAD commander-in-chief, North American Aerospace
CINCSAC commander-in-chief, Strategic Air Command
CINCSBL commander-in-chief, Space-Based Laser
CIP cast-iron pipe
CIP change implementation plan
CIP Class 1 Integration Plan
CIP communications interface processor
CIP control and interface panel
CIR cargo integration review
CIR configuration inspection report
CIR critical item report
CIRD cargo integration review dry run
CIRHS critical items and residual hazards list
CIRM celestial infrared mapping
CIRM celestial infrared measurements
CIRRIS cryogenic infrared radiance instrumentation for Shuttle
CIS cargo integration schedule
CIS central integration site
CIS change impact summary
CIS communication interface system
CIS contractor's information submittal
CISS Centaur integrated support structure
CIT California Institute of Technology
CIT CAP initialization tape
CIT critical item tag
CITE cargo integration test equipment
CITS central integrated test system
CIU communication interface unit
CIU computer interface unit
CIU controller interface unit
CIVT cargo interface verification test
CIVU cargo integration verification unit
CIWG Cargo Integration Working Group
CKRA Cape Kennedy reference atmosphere
CL centerline
CL closed loop
CL coefficient of lift
CL confidence level
CLAES cryogenic limb array etalon spectrometer
CLAS computerized loads analysis system
CLC change letter control
CLC Computer Liaison Committee
CLF Clear Lake facility
CLF controller, load forward
CLIN contract line item number
CLIP combined laser instrumentation package
CLIPS C-language inferencing for production systems
CLM care logic module
CLM circumlunar mission
CLMC central logistics management center
CLOT combined loads orbiter test
CLOUDSAT cloud cover statistical analysis program
CLRB Cost Limit Review Board
CLS contingency landing site
CLSO contingency landing support officer
CM cargo manager
CM control monitor
CM countermeasure
CM crew module
CM center of mass
CM change management
CM circular mil
CM command module
CM configuration management
CM configuration monitor
CM consumable management
CM control mode
CM&S communications maintenance and storage
CMA configuration management accounting
CMACS central monitor and control system
CMAG cruise missile advanced guidance
CMAO contract management assistance officer
CMAR configuration management action request
CMAT compatible material
CMB Configuration Management Board
CMC central maintenance computer
CMC command module computer
CMC crew module computer
CMCS centralized maintenance computer system
CMD controller, main display
CMDB configuration management data base
CMDM control multiplexer/demultiplexer
CMDS configuration management data system
CME commercial measuring equipment
CMF controller, motor, forward
CMG control moment gyro
CMIF common module integration facility
CMIS common module integration simulator
CMIS computer management information system
CMIS configuration management information system
CMIS control monitor isolation subsystem
CML commands and measurement list
CMM CM Manual
CMM condition-monitored maintenance
CMM controller, motor, midbody
CMM coordinate measurement machine
CMN contract master network
CMO class mix option
CMO Configuration Management Office
CMOS complementary metal oxide semiconductor
CMOS/SOS complementary metal oxide semiconductor/silicon
CMP Configuration Management Panel
CMP configuration management plan
CMPP configuration management program plan
CMR center materials representative
CMR common mode rejection
CMR configuration management representative
CMR contractor management review
CMRB Contractor Material Review Board
CMRP configuration management requirements plan
CMRR common mode rejection ratio
CMRS configuration management requirements standard
CMS change management system
CMS code management system
CMS component mode synthesis
CMS configuration management system
CMS contract master schedule
CMS conventional monitoring system
CMS-2 Cambridge Monitoring System (IBM computer program)
CMSI command monitor system interface
CMT critical military target
CMTS computerized maintenance test system
CMU control and monitor unit
CMV common mode voltage
CMVAS configuration management verification accounting system
CMW compartmented mode work station
CN change notice
CNC computer numerical control
CNC computer numerically controlled
CND cannot duplicate
CNES Centre National D'Etudes Spatiales (French National Space Studies Center)
CNRL Communications and Navigation Research Laboratory
CNWDI critical nuclear weapons design information
CO carbon monoxide
CO Cargo Operations (KSC directorate)
CO change order
CO contracting officer
CO*A cesium-dideuterium-arsenate
CO2 carbon dioxide
COA center operations area
COAS crewman optical alignment sight
COB communications office building
COBE Cosmic Background Explorer
COBOL common business-oriented language
COC certificate of completion
COC close-open-close
COCOMO constructive cost model
COD Center Operations Directorate (JSC)
COD crack opening displacement
COF construction of facilities
COF cost of facilities
COFAC construction facility
COFI checkout and fault isolation
COFR certificate of flight readiness
COFR certification of flight readiness
COFW certificate of flight worthiness
COGMAN center of gravity of payload manifest
COI conflict of interest
COIL chemical oxygen-iodine laser
COIM checkout interpreter (software) module
COL checkout language
COLA cost-of-living adjustment
COM computer output microfiche
COM computer output microfilm
COM-M common mode
COMAS combined orbital maneuvering and abort system
COMAT compatibility of materials
COMP computation of rendezvous targeting
COMPOOL common data pool
COMPSIM concept mission performance simulation
COMSAT communications satellite
CONUS continental United States
COP central operations program
COP co-orbiting platform
COP coefficients of performance
COP combined operations plan
COP contingency operations plan
COQ certificate of qualification
COR contracting officer representative
COR contractor.s operations review
CORA coherent optical radar amplifier
CORE common operational research equipment
COS carry-on oxygen system
COS checkout station
COS console operating system
COSATI Committee on Scientific and Technical Information
COSI closeout system installation
COSM checkout servicing and maintenance
COSMIC Computer Software Management and Information Center
COSPAC cost/schedule planning and control
COSTA cost accounting (code)
COT critical optical technology
COTR contracting officer's technical representative
COTS commercial off the shelf
COV cutoff value
CP candlepower
CP computer program
CP console processor
CP control panel
CP control point
CP coordinated procurement
CP Cargo Projects Office (KSC)
CP center of pressure
CP checkpoint
CP chemically pure
CP circular pitch
CP cold plate
CP cold-punched
CP communication processor
CP-PCO Cargo Projects Program Control Office
CPA change proposal analyst
CPA contingency planning aid
CPA critical path analysis
CPAF cost plus award fee
CPAR controlled parts approval
CPC Cargo Processing Contract (contractor)
CPC central planning center
CPC characteristic properties code
CPC computer program component
CPC control pressure conditioner
CPCB Crew Procedures Control Board
CPCEI computer program contract end item
CPCI computer program change instruction
CPCI computer program configuration item
CPCR computer program change request
CPCR crew procedure change request (Form 482)
CPD Crew Procedures Division
CPD crew passive dosimeter
CPDDS computer program detail design specification
CPDP computer program development plan
CPDP computer program development program
CPDR contractor's preliminary design review
CPDS computer program design specification
CPDS computer program detailed specification
CPDS computer program development specification
CPDS crew procedures documentation system
CPE chief program engineer
CPE chief project engineer
CPEI computer program end item
CPES crew procedures evaluator simulator
CPF cargo processing facility
CPF central processing facility
CPF controller, power, forward
CPF cost per flight
CPFF cost plus fixed fee
CPFF/IF cost plus fixed fee/incentive fee
CPG Change Planning Group
CPG coarse-pointing gimbal
CPI consumer price index
CPI crosspointer indicator
CPIC Computer Program Integration Contract (contractor)
CPIF cost plus incentive fee
CPIF/AF cost plus incentive fee/award fee
CPM cargo propulsion module
CPM cell performance monitor
CPM change proposal manager
CPM computer program module
CPM cost and performance measurement
CPM critical path method
CPMP crew procedures management plan
CPMP crew products management plan
CPO Central Planning Office (MSFC)
CPPS computer program product specification
CPR cost performance report
CPR critical problem report
CPS coarse pointing system
CPS critical path schedule
CPSD cross-power spectral density
CPSE common payload support equipment
CPSR contractor's procurement system review
CPSS cold plate support structure
CPSS critical phase system software
CPT cargo processing technician
CPT computer program tape
CPTA core propulsion test article
CPU central processing unit
CPU command processor unit
CPU computer printer unit
CPU computer processing unit
CPV common pressure vessel
CQDR critical qualification design review
CQIM configuration and quality information management
CR card reader
CR contractor's response
CR control room
CR customer's request
CR cathode ray
CR certification request
CR certification requirement
CR change record
CR change request
CR cold-rolled
CR communication and radar
CR configuration review
CRALT CNES radar altimeter
CRAS cost reduction alternative study
CRB Change Review Board
CRB Concept Review Board
CRB Configuration Review Board
CRB Correspondence Review Board
CRC contractor-recommended code
CRC cost reduction curve
CRC cyclic redundancy check
CRD change request disposition
CRD cost reporting document
CRDP certification review data package
CRDP computer resource development plan
CRERS crew rescue and equipment retrieval system
CRES corrosion resistance steel
CRG Change Review Group
CRG Correspondence Review Group
CRI certification requirements index
CRIS calibration recall and information system
CRIS connector removal and installation sheet
CRISD computer resource integration support document
CRISD computer resources integrated support document
CRISP computer resources integrated support plan
CRN cable routing notation
CRN change review notice
CRN contract revision number
CRO cathode-ray oscilloscope
CRP configuration requirements processing
CRPL Cosmic Ray Physics Laboratory
CRR cargo compatibility review
CRR cargo readiness review
CRR computer run report
CRR critical requirements review
CRRES combined release and radiation effects satellite
CRS cold-rolled steel
CRS computer resources support
CRS Congressional Research Service
CRS crew rescue system
CRSI ceramic reusable surface insulation
CRT cathode-ray tube
CRT computer response time
CRTU cryogenic radiator test unit
CRW control read/write
CS carbon steel
CS control segment
CS core segment
CS crew simulator
CS crew station
CS cross-strapping
CS current sensor
CS Spacelab Operations Directorate
CS cast steel
CS center section
CS change status
CS checkout station
CS common set
CS communications system (subsystem)
CS consumables status
CS contractor share of variance from target cost
CSA contract specification amendment
CSA contractor support area
CSA cyclic strain attenuator
CSAM crinkled, single aluminized Mylar
CSAP Control System Analysis Program
CSAT combined systems acceptance test
CSB Change Schedule Board
CSB closely spaced basing
CSB complex support building
CSC Computer Sciences Corporation
CSC computer software component
CSC computer software configuration
CSC conical-shaped charge
CSC contingency support center (CCAFS)
CSC cosecant computing amplifier
CSC cost, schedule, and control
CSCB contractor's summary cost breakdown
CSCD control system command decoder
CSCI computer software configuration item
CSCI configuration software computer item
CSCS central security control system
CSCSAT commercial synchronous communication satellite
CSD Chemical Systems Division
CSD computer system director
CSD contract start date
CSD control system development
CSD Crew Systems Division
CSDD Control Systems Development Division (JSC)
CSDF central source data file
CSDL Charles Stark Draper Laboratory (MIT)
CSDM Computer System Diagnostic Manual
CSDT computer software data tape
CSE common support equipment
CSE communications systems engineer
CSE computer support equipment
CSE configuration switching equipment
CSE cryostat servicing equipment
CSF central supply facility
CSF cost sensitivity factor
CSF crew storage facility
CSFT combined subsystem functional test
CSG Concept Synthesis Group
CSI coelliptic sequence initiation
CSI control and structural integrity
CSI control servo input
CSI crew software interface
CSI customer source inspection
CSIR computer software integration review
CSIR computer systems (hardware/software) integration review
CSIR Council of Scientific and Industrial Research
CSIT CAP system integration test
CSIU core segment interface unit
CSL command signal limiter
CSL computer status light
CSL critical sequence list
CSM Cargo System Manual
CSM command and service module
CSM command service module
CSM common support module
CSM computer status matrix
CSMA/CD/TS carrier sense multiple access/collision dlot
CSMP continuous system modeling program
CSMP control system modeling program
CSN customer source number
CSO closely spaced object
CSO Complex Safety Office
CSOC Consolidated Space Operations Center
CSOC Consolidated Support Operations Center
CSOM Computer System Operator's Manual
CSOP crew systems operating procedure
CSP certified special processor
CSPF critical single-point failure
CSPL certified special processor list
CSPO Control Systems Procurement Office
CSPU core segment processing unit
CSR certification status report
CSR check signal return
CSR check status register
CSR check status report
CSR contract status report
CSR cost, schedule, and risk
CSR crew station review
CSRP Computer and Software Review Panel
CSS computer subsystem
CSS control stick steering
CSS core segment simulator
CSS crew safety system
CSSE control system simulation equipment
CSSR cost, schedule status report
CST capsule systems test
CST central standard time
CST combined systems test
CST complex safety technician
CST contract supplemental tooling
CST crew software trainer
CST crew station trainer
CST crew systems trainer (one-g trainer)
CSTA crew software training aid
CSTAR continuous stellar-tracking attitude reference
CSTC Consolidated Space Test Center
CSTS cryogenic storage and transfer system
CSTU combined systems test unit
CSU central switching unit
CT center tap
CT central time
CT compact tension
CT crawler-transporter
CT current transformer
CTA command and telemetry assembly
CTA controlled thrust assembly
CTC camera, timing, and control
CTC chief test conductor
CTCI contract technical compliance inspection
CTCP configuration test change period
CTCS central thermal control system
CTDU cross-link transponder data unit
CTE central timing equipment
CTE coefficient of thermal expansion
CTF commit to flight
CTG Central Training Group
CTG commonality task group
CTI critical transportation item
CTIS crawler-transporter intercom system
CTL Canoga Test Laboratory
CTL combat training launch
CTL Component Test Laboratory (NASA)
CTL controller tape location
CTL critical to launch
CTM contract technical manager
CTM crystalline transitional material
CTN Canton Island
CTN certification test network
CTP communications timing procedure
CTP cyclic time processor
CTPD Crew Training and Procedures Division (JSC)
CTR certification test requirement
CTR certification test review
CTR contract technical representative
CTRS component test requirements specification
CTS Canadian technology satellite
CTS coordinate transformation system
CTS change tracking system
CTS command and telemetry subsystem
CTS communications and tracking system
CTS communications technology satellite
CTS computer test set
CTS computerized training system
CTS console test set
CTS contractor technical service
CTT command transfer tape
CTU central timing unit
CTU command and telemetry unit
CTU command telemetry unit
CTV compatibility test van
CU control unit
CU crystal unit
CUB Commonality Usage Board
CUC computer usage control
CUDS cumulative data statistics
CUE command uplink electronics
CUE command use equipment
CUE common usage equipment
CUE communication unit executor
CUF cross-utilization file
CUI common usage item
CUI common user interface
CUIL common usage item list
CUL common use list
CUP commonality usage proposal
CUT coordinated universal time
CV carrier vehicle
CV cryptovariable
CV Deployable Payloads Operation (KSC CO directorate)
CV check valve
CV coefficient of variation
CV computer vision
CV Computervision
CV Computervision (computer-aided design and drafting
CV configuration verification
CV conventional vehicle
CV core vehicle
CVA Convair Astronautics
CVAD converter voltage, ac to dc
CVAS configuration verification accounting system
CVD chemical vapor deposition
CVDA converter voltage discrete, ac
CVE complete vehicle erector
CVF circular variable filter
CVI carbon vapor impregnation
CVI chemical vapor infiltration
CVI configuration verification inspection
CVR change verification record
CVR configuration verification review
CVRD converter variable resistance to dc voltage
CVSD continuous variable slope data
CVT communications vector table
CVT concept verification testing
CW caution and warning
CW clockwise
CW command word
CW continuous wave
CW continuous waveform
CWA caution and warning annunciator
CWA clean work area
CWA controlled work area
CWBS contract work breakdown structure
CWE caution and warning electronics
CWEA caution and warning electronic assembly
CWEU caution and warning electronics unit
CWFSP caution and warning/fire suppression panel
CWG Commonality Working Group
CWG Communications Working Group
CWG constant-wear garment
CWLM caution and warning limit module
CWS caution and warning system
CWSU condensate water servicing unit
CWT code walk-through
CY calendar year
CYC cyclic mission-unique process
CYI Canary Islands
CZCS coastal zone color scanner
Cal/OSHA California Occupational Safety and Health Act
CdT cadmium telluride
Cf consequence of failure
CfS schedule factor
D density
D digital
D discrete
D drag
D&C displays and controls
D&CS displays and controls subsystem
D&D design and development
D&P development and production
D&P drain and purge
D&PA design and product assurance
D* normalized detectivity
D/A decoder activate
D/A digital to analog
D/C displays and controls
D/D digital-digital converter
D/L data link
D/L deorbit and landing
D/L downlink
D/L downlist
D/P data pack
D/S deploy/stow
D/S descent stage
D/VD data/voice data
DA data acquisition
DA drive assembly (solar array)
DA Department of the Army
DA deployed assembly
DA deployment assembly
DA dip angle
DA direct ascent
DA distribution assembly
DA double amplitude
DA drive actuator
DA&D data acquisition and distribution
DA&E data analysis and evaluation
DAA designated approval authority
DAAT distributed architecture analysis tool
DAB Defense Acquisition Board
DAB docking and berthing
DABM defense against ballistic missiles
DABS discrete address beacon system
DAC data acquisition and control
DAC data acquisition camera
DAC days after contract
DAC digital-to-analog converter
DACB data acquisition control and buffer
DACBU data acquisition and control buffer unit
DACBU digital acquisition and control buffer unit
DACP data acquisition and control processor
DACP data acquisition control processor
DACP data acquisition, control, and processing
DACS data acquisition and control system
DACS digital acquisition and control system
DACT disposable absorption collection trunk
DAD data acquisition and distribution
DAD due at department
DADE data acquisition and documentation equipment
DADS dual air density satellite
DAE data acquisition equipment
DAF data analysis facility
DAFT data acquisition frequency table
DAI deferred acceptance item
DAIS data avionics information system
DAL data accession list
DAL data acquisition list
DAL data-aided loop
DAM double-aluminized Mylar
DAMMPS damping and metal matrix for precision structure
DANASAT direct-ascent nuclear ASAT
DAP data acquisition plan
DAP descent analysis program
DAP digital autopilot
DAPS decommutation and processing system
DAR data-aided receiver
DAR defense acquisition regulation
DAR deviation approval request
DAR digital autopilot requirement
DAR drawing analysis record
DARCOM U.S. Army Material Development and Readiness Command
DARPA Defense Advanced Research Projects Agency
DARPA/LL DARPA Lincoln Laboratory
DART director and response tester
DARTS digital automated radar tracking system
DAS data acquisition system
DAS data analysis station
DAS data automation system
DAS design, analysis, and simulation
DAS digital address system
DAS digital avionics system
DASA dual aerospace servoamplifier
DASD direct-access storage device
DAT direct-ascent threat
DAU data acquisition unit
DAU digital adapter unit
DAV data available
DAVL data available low
DAZE different-alpha zero-strain E
DB data base
DB data buffer
DB data bus
DB dead band
DB design baseline
DB Disposition Board
DB distribution box
DB double-biased
DB dry bulb
DBA data base administrator
DBC data buffer coupler
DBC data bus control
DBC data bus coupler
DBC diameter bolt circle
DBCI DB with respect to a circular polarized antenna
DBCR data base change request
DBD dead band
DBDD data base design document
DBE data bus element
DBFN data bus file number
DBG data bus group
DBGMP data bus generation and maintenance package
DBI data base interface
DBIA data bus interface adapter
DBIA data bus isolation amplifier
DBIU data bus interface unit
DBM data base management
DBMS data base management software
DBMS data base management system
DBN data bus network
DBP design baseline program
DBRN data bank release notice
DBS data base system
DBS data bus simulator
DBUR data bank update request
DBW data bus wire
DBW differential ballistic wind
DC data control
DC data coordinator
DC design change
DC display and control
DC display coupler
DC double contact
DC&I documentation, control, and integration
DCA Defense Communication Agency
DCA design change authorization
DCA digital command assembly
DCA distribution control assembly
DCAA Defense Contract Audit Agency
DCAR Design Corrective Action Report
DCARS data collection and reduction system
DCAS data collection and analysis system
DCAS Defense Contract Administration Services
DCASMA Defense Contract Administration Services Management Area
DCASR Defense Contract Administration Services Region
DCASR-LA Defense Contract Administration Services Region, Los Angeles
DCB Data Control Board
DCB Design Control Board
DCB drawing configuration baseline
DCC data computation complex (JSC)
DCC document control center
DCCU decommutator conditioning unit
DCCU digital cluster control unit
DCCU digital communication and control unit
DCD design control document
DCD dual command decoder
DCDS distributed computing design system
DCE data and control electronics
DCE deployable cargo element
DCEA digital control electronics assembly
DCEP data collection and evaluation plan
DCF data control facility
DCIB data communication input buffer
DCIU digital control and interface unit
DCL document change list
DCM data and configuration management
DCM data and control management
DCM DECOM control memory
DCM decommutator control memory
DCM direction cosine matrix
DCM display and control module
DCMB Development Configuration Management Board
DCN data change notice
DCN design change notice
DCN discontinued component notice
DCN document change notice
DCN drawing change notice
DCNP document change notice proposal
DCO detailed checkout
DCOP detailed checkout procedure
DCOP displays, controls, and operation procedure
DCOS data communication output selector
DCP data collection platform
DCP data collection program
DCP depot condemnation percent
DCP development concept paper
DCP development cost plan
DCP display control program
DCPEI DEU control program end item
DCPEI display control program end item
DCR data change request
DCR document change review
DCR DC responsivity
DCR design certification review
DCR design change record
DCR design change request
DCR design concern report
DCR disposition of contract request
DCR document change record
DCR document change request
DCRR design change requirement record
DCS data collection system
DCS digital command system (subsystem)
DCS display and control system
DCS document control system
DCS dual checkout station
DCS data communication system
DCS data conditioning system
DCS data control system
DCS data conversion system
DCS design communication system
DCS design control specification
DCS design criteria specification
DCS detailed checkout specification
DCSP digital control signal processor
DCSU digital computer switching unit
DCU digital computer unit
DCU display and control unit
DD data dictionary
DD NSTS OPS deputy director of NSTS Operations
DD data display
DD decoder driver
DD dedicated display
DD deep-drawn
DD deputy director
DD directives documentation
DD document director
DD Mechanical and Facilities Engineering (DE Directorate)
DD&CS dedicated display and control subsystem
DD&R data display and review
DD&RR Data Display and Review Room
DD&T design, development, and test
DD/HH:MM:SS day/hour:minute:second
DDA data distribution assembly
DDA digital differential analyzer
DDAS digital data acquisition system
DDC data distribution center
DDC Defense Documentation Center
DDC dual diversity comparator
DDD data definition document
DDD display decoder drive
DDDL digital data downlink
DDDS digital data distribution system
DDDU display decoder driver unit
DDES data display expert system
DDHA digital data-handling assembly
DDI discrete data input
DDI discrete digital input
DDL data base definition language
DDL data downlink
DDL display description language
DDL distributed design language
DDM data display module
DDM data display monitoring
DDM discrete data management
DDM distributed data manager
DDM distributed design methodology
DDMS DOD manager for Space Shuttle support
DDN defense data network
DDO discrete data output
DDO discrete digital output
DDP data distribution panel
DDP data distribution plan
DDP design data package
DDP design development plan
DDP digital data processing
DDPC digital data processing center
DDPC digital data processing complex
DDPF dedicated display processing function
DDPS digital data processing system
DDR Data Display Room
DDR data display and review
DDR design development record
DDR detail design review
DDS data display system
DDS descent design system
DDS detailed design specification
DDS documentation distribution system
DDT&E design, development, test, and engineering
DDT&E design, development, test, and evaluation
DDTF dynamic docking test facility
DDTS dynamic docking test system
DDU data display unit
DDU decommutator distribution unit
DDU digital display unit
DDU display driver unit
DE Design Engineering (KSC directorate)
DE display electronics
DE Doppler extractor
DE double end
DEA deployed electronics assembly
DEA digital electronics assembly
DEA display electronics assembly
DEC Digital Equipment Corporation
DECA display/AGAP electronic control assembly
DECL deliverable equipment checklist
DECL Direct Energy Conversion Laboratory (JSC)
DECNET Digital Equipment Corporation network
DECU data exchange control unit
DEDA data entry and display assembly
DEE digital events evaluator
DEF development and evaluation facility
DEI Data Engineering, Incorporated
DEI deliverable end item
DEI design engineering identification
DEI design engineering inspection
DEI design, engineering, and integration
DEIS design engineering inspection simulation
DEIS design evaluation and inspection simulator
DEL deorbit, entry, and landing
DELNI digital Ethernet local network interconnect
DELOG design engineering logistics
DELTA detailed labor and time analysis
DEMP direct EMP
DEMUX demultiplexer
DEOSS demonstration of electro-optical surveillance sensor
DEP dedicated experienced processor
DEP deflection error probable
DEP display electronics package
DER drawing error report
DES data exchange system
DESHE distributed expert system hosting environment
DESPOT design performance optimization
DET digital event timer
DET direct energy transfer
DETA diethylene triamine
DETEC defensive technology evaluation code
DETIR Defensive Technology Information Repository
DEU digital electronics unit
DEU display electronics unit
DEU-KYBD display electronics unit equivalent inputs
DEW directed-energy weapon
DEW distant early warning
DF development flight
DF development forward
DF direct flight
DF direction finder
DF disassembly facility
DF double feeder
DF drawing file
DF drop forge
DF Project Management (KSC DE directorate)
DF-SPE-A Shuttle Project Engineering Office
DF/CMB data formatter and command monitor bus
DFCS digital flight control software
DFCS digital flight control system
DFD data flow diagram
DFE data flow engineer
DFE direction-finding equipment
DFE distributed framework executive
DFG diode function generator
DFG display format generator
DFI development flight instrumentation
DFI development flight integration
DFIS DFI subsystem
DFL decommutator format load
DFRF Dryden Flight Research Facility
DFS directional finding system
DFS dynamic flight simulator
DFT design for testability
DG Data General
DG data group
DG data good
DG display generator
DG double groove
DGU digital graphics unit
DGU display generator unit
DGZ desired ground zero
DH decision height
DHA design hazards analysis
DHE data handling equipment
DHP developed horsepower
DHS discrete horizon sensor
DI data integrator
DI desk instruction
DI discrete input
DI driving issue
DIA Defense Intelligence Agency
DID data item description
DID defense in depth
DIDS defense integrated data system
DIDSIM defense-in-depth simulation
DIDTHT defense-in-depth threat
DIEU digital interface electronics unit
DIGIKON digital control analysis software
DIH discrete input high
DII defense industry initiative
DIL deliverable items list
DIL discrete input low
DILSA distributed integrated logistics support analysis
DIM design impact meeting
DIM Design Information Manual
DIM Design Interface Meeting
DINS defense inertial navigation system
DIP data integrated plan
DIP designated inspection point
DIP detailed integration plan
DIP display input processor
DIP display interface processor
DIPEC Defense Industrial Plant Equipment Center
DIPL display initial program load
DIPS dynamic isotope power system
DIR document information record
DIS Defense Investigative Service
DIS defense industrial security
DIS documentation index system
DISCO Defense Industrial Security Clearance Office
DISP dispersive spectrometer
DIT data ID table
DIT display index table
DIT dynamic integrated test
DITMCO Drive-In Theater Manufacturing Company's wire harness insulation analyzer
DITMO development, integration, test, and mission operations
DIU data interface unit
DIU digital interface unit
DK display keyboard
DKC design knowledge capture
DL developed length
DL development left
DL downlink
DL drawing list
DL Electronics Engineering (KSC DE directorate)
DLAT destructive lot acceptance testing
DLC delay line control
DLC direct lift control
DLH direct labor hour
DLO director of launch operations
DLSC Defense Logistics Service Center
DLSM data link summary message
DLTR data link terminal repeater
DLTR data link transmission repeater
DM data management
DM docking mechanism
DM docking module
DM data manager
DM data manual
DM deformable mirror
DM delta modulation
DM design manual
DM design margin
DM detached module
DM development motor
DMA data management administrator
DMA data management assembly
DMA Defense Mapping Agency
DMA direct memory access
DMA drive motor assembly
DMC data management computer
DMC direct maintenance cost
DMCF deservicing, maintenance, and checkout facility
DMCM double-density modular core memory
DME distance measuring equipment
DME dynamic mission equipment
DMES dimethylethoxys
DMF depot maintenance facility
DMG Data Management Group
DMICB Daily Mission Integration Control Board
DMIS data management information system
DML developmental instrumentation, MDM left
DMM developmental instrumentation, MDM mid
DMMH direct maintenance man-hours
DMON discrete monitoring
DMOS diffusive mixing of organic systems
DMP data management processor
DMP data merger processor
DMP DEU message processor
DMPI desired mean point of impact
DMR developmental instrumentation, MDM right
DMS data base management system
DMS data management system (subsystem)
DMS deliverables management system
DMS design management system
DMS docking mechanism subsystem
DMS docking module system (subsystem)
DMS DRD management system
DMS DRL management system
DMS dynamic motion simulator
DMSIF DMS Integration Facility
DMSP Defense Meteorological Satellite Program
DMSS data management system simulator (CVT)
DMSS defense meteorological satellite system
DMSSIM DMS simulation
DN Department of the Navy
DN discrepancy notice
DNA Defense Nuclear Agency
DNA does not apply
DNC direct numerical control
DNO descending-node orbit
DNS departure nuclear stage
DO discrete output
DOA Department of Agriculture
DOAMS distant-object attitude-measuring system
DOC Department of Commerce
DOC direct operating cost
DOC drift-orbit correction
DOD Department of Defense
DOD depth of discharge
DOD-STP Department of Defense standard satellite
DODI DOD instruction
DODISS Department of Defense Index of Specifications and Standards
DOE Department of Energy
DOF degree of freedom
DOF direction of flight
DOH discrete output high
DOI descent orbit insertion
DOI direct orbit insertion
DOL day of launch
DOL Department of Labor
DOL discrete output low
DOM development operations manager
DOMSAT domestic satellite
DOP detailed operating procedure
DORIS determination of orbit radio positioning integrated from Shuttle (French-supplied dual-frequency receiver)
DOS digital operation system
DOS disk operating system
DOT data output tape
DOT Department of Transportation
DOT deployment operations team
DOT/CIAP DOT climatic impact assessment program
DOVAP Doppler velocity and position
DOY day of year
DP dash pot
DP diametral pitch
DP differential pressure
DP double pole
DP data processing
DP data processor
DP data product
DP deflection plate
DP delayed procurement
DP design proof
DP development phase
DP dew point
DP&S data processing and software
DP&SS data processing and software subsystem
DP/DT delta pressure/delta time
DPA data processing assembly
DPA destructive physical analysis
DPA division planning authorization
DPAS defense priorities and allocation system
DPC data processing center
DPCL dedicated payload communication link
DPCS distributed process construction system
DPD data procurement document
DPDM differential pulse-duration modulation
DPDO Defense Property Disposal Office
DPDS distributed processing design system
DPDT double pole, double throw
DPG dual-purpose gyro
DPI detail program interrelationship
DPM deputy program manager
DPP deployment/pointing panel
DPR definition phase review
DPRS docking probe retraction system
DPS data processing and software
DPS data processing system (subsystem)
DPS Department of Defense project specification
DPS descent propulsion system
DPS digital processing system
DPSD Data Processing Systems Division
DPSK differential phase shift keying
DPSS data processing and software subsystem
DPSS data processing software system
DPST double pole, single throw
DPT design proof test
DPU data processing unit
DPU digital processing unit
DQPSK differential quaternary phase shift keying
DR data register
DR disposition report
DR data requester
DR data requirement
DR dead reckoning
DR design review
DR development right
DR discrepancy report
DR dispatch reliability
DR disposition record
DR&A data requirements and analysis
DR/MR discrepancy report/material review
DRA document release authorization
DRAM dynamic random access memory
DRAT data requirements analysis tool
DRB Design Review Board
DRB design requirements baseline
DRC data reduction center
DRC discrete rate command
DRD data requirements description
DRD data requirements document
DRD design requirements document
DRD detailed requirements document
DRD document requirement description
DRF data request form
DRF digital radio frequency
DRG digital ranging generator
DRI data rate indicator
DRK display request keyboard
DRL data requirements list
DRL document requirements list
DRL double-rack laboratory
DRM data records management
DRM Design Reference Mission
DRM Design Requirements Manual
DRM Drafting Room Manual
DRM Drawing Requirements Manual
DRMR disposition report on MR
DRO destructive readout
DRO document release order
DRR data recorder or reproducer
DRR design requirements review
DRRD design requirements review disposition
DRS data recording system
DRS data relay satellite
DRS data relay station
DRS digital range safety
DRS discrepancy report squawk
DRS donning and recharge system
DRS dynamic restringing
DRSCS digital range safety command system
DRSS data relay satellite system
DRSS discrepancy report squawk sheet
DRT deployment readiness test
DRT design reference trajectory
DRUC disposition record unsatisfactory condition
DS data storage
DS design sheet
DS docking system
DS&R data storage and retrieval
DS-RPIE direct support real property installed equipment
DS3 deep-space surveillance system
DSA Defense Supply Agency
DSA demonstration structural article
DSAD Data Systems and Analysis Directorate (JSC)
DSARC Defense System Acquisition Review Committee
DSARC Defense Systems Acquisition Review Council
DSAT defensive satellite
DSB document status bulletin
DSB double side-band
DSC data separator card
DSC dedicated signal conditioner
DSC differential scanning calorimeter
DSCIM display system computer input multiplexer
DSCN design and simulator computation network
DSCS defense satellite communications system
DSCS defense support communication satellite
DSCU digital computer switching unit
DSD defensive shields demonstration
DSDU data storage distribution unit
DSE data storage encoder
DSE data storage equipment
DSE development support equipment
DSEA data storage electronics assembly
DSFT distributed system fault tolerance
DSI distributed system integration
DSIF Deep-Space Instrumentation Facility
DSIFE DSIF equipment
DSIS defense satellite information system
DSKY display keyboard
DSL design specification list
DSM data system(s) modernization
DSN data steering network
DSN deep-space network
DSN digital switching network
DSN diminishing source notice
DSO design secondary objective
DSO detailed secondary objective
DSO detailed supplementary objective
DSP defense support program
DSP digital signal processing
DSPM designated subsystem project manager
DSR data storage and retrieval
DSS data support system
DSS DCDS support system
DSS decision support system
DSS deep-space station
DSS deliverable survival shelter
DSS department summary schedule
DSS documentation support services
DSSM dedicated solar sortie mission
DST defense suppression threat
DST dimensional special tooling
DSTF Delta Spin Test Facility
DT delayed time
DT double throw
DT drop tank
DT&E development, test, and evaluation
DT&O data, test, and operation
DTA daisy testability analyzer
DTA development test article
DTA differential thermal analyzer
DTC design to cost
DTCS digital test command system
DTCW data transfer command word
DTE data transmission equipment
DTE deliverable test equipment
DTE digital television equipment
DTF Development Test Facility (Ford Aerospace)
DTI development test instrumentation
DTIC Defense Technical Information Center
DTLCC design to life cycle cost
DTMO development, test, and mission operations
DTMS development, test, and mission support
DTMS digital test measurement system
DTMS digital test monitor system
DTO design test objective
DTO detailed test objective
DTP detailed test plan
DTP detailed test procedure
DTP development test plan
DTRD development test requirements document
DTS data transfer system
DTS data transmission system
DTS Defense Technology Study
DTS Defensive Technologies Study
DTS development test sensor
DTSL Data Transfer Systems Laboratory
DTST Defense Technology Study Team
DTST Defensive Technologies Study Team
DTT design test tool
DTU development test unit
DTV developmental test vehicle
DTV&I development, test, verification, and integration
DTVC data transmission and verification converter
DTVC digital transmission and verification converter
DU display unit
DUA digital uplink assembly
DUC digital uplink command
DUC display use chain
DUNS Data Universal Numbering System
DV designated verification
DV designee for verification
DVD delta velocity display
DVE design verification experiment
DVM digital voltmeter
DVO delta velocity on/off
DVS delta velocity system
DVS design verification specification
DVS digital voice system
DVT design verification testing
DVU delta velocity ullage
DW data word
DW developed width
DW distilled water
DW double weight
DWI data word in
DWS disaster warning satellite
DWT dog wags tail
DYB dynamic braking
E elastic modulus
E elevation angle
E&D engineering and development
E&D evaluation and development
E&DSG Electro-Optical and Data Systems Group
E&L engineering and lab
E&M electrical and mechanical
E&O engineering and operations
E-E end to end
E-O electro-optic
E-mail electronic mail
E/B equipment bay
E/C encoder coupler
E/D edge distance
E/L entry/landing
E/M engineering model
E/M escape motor
E/O engineering/operations
E/OCM electromagnetic/optical countermeasure
E/P electron/proton
E/W energy-to-weight ratio
EA electronics assembly
EA elevation angle
EAC early analysis capability
EAC employee action circle
EAC energy-absorbing capacity
EAC estimate at completion
EAC experiment apparatus container
EAC experimental apparatus canister
EACE early analysis capability enhanced
EAD electrically alterable device
EADI electronic attitude director indicator
EADS engineering analysis and data systems
EADT experiment agency data tape
EAF engineering analysis facility
EAF engineering analysis function
EAFB Edwards Air Force Base
EAFB Eglin Air Force Base
EAFB Ellington Air Force Base
EAI Electronics Associates, Incorporated
EAL equipment airlock
EAM electrical accounting machine
EAM emergency action message
EAP Employee Assistance Program
EAR engineering action request
EAR engineering analysis report
EAR environmental analysis report
EAROM electrically alterable read-only memory
EAS engine actuation system
EAS equivalent airspeed
EASE electric automatic support equipment
EASE expert activity scheduling environment
EAT environmental acceptance test
EATR extravehicular assist teleoperator robot
EB electronic beam
EB emergency box
EB equipment bay
EB expendable booster
EBC emulated buffer computer
EBCDC extended binary-coded decimal
EBD eyeballs down (+GZ)
EBI eyeballs in (+GX)
EBL eyeballs left (+GY)
EBO eyeballs out (-GX)
EBR eyeballs right (-GY)
EBS emergency breathing subsystem
EBU eyeballs up (-GZ)
EBW exploding bridge wire
EC elastic center
EC events coupler
EC experiment computer
EC element contractor
EC enabling command
EC engine control
EC engine cutoff
EC engineering change
EC equipment change
EC essentiality code
EC events controller
ECA electronic computer assembly
ECA electronic control assembly
ECA engine control assembly
ECA engineering change analysis
ECA epoxy curing agent
ECAS experiment computer application software
ECB Engineering Change Board
ECB event control block
ECB event controlled block
ECB events control buffer
ECC engineering change control
ECC engineering critical component
ECCAP electromagnetic compatibility circuit analysis program
ECCAP electromagnetic compatibility computerized analysis
ECCAP electromagnetic compatibility computer analysis proposal
ECCB Engineering Change Control Board
ECCCS emergency command control communications system
ECCM electronic counter-countermeasure
ECCP experiment configuration control panel
ECD engineering control drawing
ECD entry corridor display
ECD estimate at completion change document
ECD estimated completion date
ECDU electronic coupling display unit
ECF equivalency capability file
ECG electrocardiogram
ECG electrocardiograph
ECG electrocardiography
ECG electroepitaxial crystal growth
ECI Earth-centered inertia
ECI employment cost index
ECK emergency communication key
ECL electronic circuit logic
ECL emitter coupled logic
ECLS environmental control and life support
ECLSS environmental control and life support system
ECM electromagnetic countermeasure
ECM electronic countermeasure
ECM engineering change management
ECM error correcting memory
ECN engineering change notice
ECO electron-coupled oscillator
ECO engine combustion
ECO engine cutoff
ECO engineering change order
ECOS experiment computer operating system
ECP engineering change proposal
ECP engineering control program
ECP explicitly coded program
ECR engineering change request
ECR equipment change record
ECR experiment change record
ECR experiment concept review
ECRA engineering change request authorization
ECRC Engineering Contract Requirements Committee
ECRV exponentially corrected random variable
ECS effective cross section
ECS electrical control station
ECS engine control system
ECS environmental control system
ECSS extendable computer system simulator
ECT experiment command tape
ECU electrical control unit
ECU electrical conversion unit
ECU electronic coupling unit
ECU engine control unit
ECU environmental control unit
ECU extreme closeup
ED edge distance
ED Engineering Directorate
ED Engineering Division
ED engineering directive
ED explosive device
EDA electronic display assembly
EDA elevation drive assembly
EDAC error detection and correction
EDB environmental data book
EDC Engineering Data Center
EDC engineering design change
EDCAS equipment designer's cost analysis system
EDCC Engineering Drawing Control Center
EDCP engineering design change proposal
EDCS electrical distribution and control system
EDDF error detection and decision feedback
EDDR electron dipole-dipole reservoir
EDF engineering data file
EDI electronic data interchange
EDI electronic data interfacing
EDIV engineering design intent verification
EDL Engineering Development Laboratory
EDLN engineering development logic network
EDLS engineering drawing library system
EDM electrical discharge machining
EDM engineering development model
EDMS electronic data management system
EDO extended-duration orbiter
EDP electronic data processing
EDP embedded data processor
EDPC Electronic Data Processing Center
EDPE electronic data processing equipment
EDPL Engineering Development Processor Laboratory
EDPM electronic data processing machine
EDR engineering design review
EDS electrical distribution system
EDS emergency detection system (subsystem)
EDS engineering data system
EDS engineering design system
EDS engineering development schedule
EDS executive data base system
EDS explosive device system
EDSC early deployment system concept
EDT eastern daylight time
EDT electronic theodolite system
EDTS electronic data transfer system
EDV electric depressurization valve
EDV electronic depressurizing valve
EDW Edwards (TACAN station)
EE emergency engineering
EE end effector
EE experimental evaluation
EECOM electrical, environmental, and communications
EECOM electrical, environmental, consumables, and mechanical
EED electroexplosive device
EEE electronic, electrical, and electromechanical
EEEU end effector electronics unit
EEG electroencephalogram
EEG electroencephalograph
EEG electroencephalography
EEH EMU electrical harness
EEI Edison Electrical Institute
EEI essential elements of information
EEL electrical equipment list
EEM Earth entry module
EENT eye, ear, nose, and throat
EEO Equal Employment Office
EEO equal employment opportunity
EEP electronic equipment package
EEPROM electrically erasable read-only memory
EES ejection escape suit
EES emergency ejection suit
EES escape ejection suit
EESS emergency egress severance system
EESS emergency egress slide system
EET electronic control assembly engine thrust
EET entry elapsed time
EET equivalent exposure time
EETB electronic/electrical termination building
EEU extravehicular excursion unit
EEWS emergency egress window system
EF electronic field
EFA experiment flight application
EFCS Earth-fixed coordinate system
EFE electronic field experiment
EFFGRO efficient growth (computer program)
EFL effective focal length
EFL equivalent focal length
EFP ESA-furnished property
EFSSS engine failure sensing and shutdown system
EFTO encrypted for transmission only
EGA evolved gas analysis
EGB electronic gimbal box
EGC experiment ground computer
EGF electrical grapple fixture
EGIL electrical, general instrumentation, and lighting
EGO eccentric geophysical observation
EGORD Experiment Ground Operations Requirements Document
EGRET energetic Gamma Ray Explorer telescope
EGSE electrical ground support equipment
EGT elapsed ground time
EGT estimated ground time
EGT exhaust gas temperature
EH/M extension hose mouthpiece
EHA electrohydraulic actuator
EHC electrical heating control
EHF extremely high frequency
EHOT external hydrogen/oxygen tank
EHP effective horsepower
EHP electrical horsepower
EHS environmental health services
EHSD existing hardware/software data base
EHX experiment-dedicated heat exchanger
EI electronics interface
EI end item
EI engineering instruction
EI entry interface
EI environmental impact
EIA Electrical Industries Association
EIASN end item assembly sequence number
EIAT end item acceptance test
EIC Engineering Information Center
EIC experimental intercom
EICD experiment interface control document
EID end item documentation
EIDP end item data package
EIFA element interface functional analysis
EIM engineering information management
EIR environmental impact report
EIR experiment integration review
EIRP effective isotropic radiated power
EIS electrical integration system
EIS end item specification
EIS engineering information system
EIS environmental impact statement
EIT entry interface time
EIU engine interface unit
EIVT electrical and instrumentation verification test
EIVT electrical interface verification test
EIVT electronic installation verification test
EIWB end item workbook
EKF extended Kalmar filter
EKG electrocardiogram
EKG electrocardiograph
EKG electrocardiography
EL elastic limit
EL electroluminescence
EL equipment laboratory
ELACS extended-life attitude control system
ELB electrical load bank
ELC Earth limb clutter
ELDV electrically operated depressurization valve
ELE Earth limb experiment
ELF extremely low frequency (1 Hz to 3 kHz)
ELINT electronic intelligence satellite
ELM experimental logistics module
ELMS elastic-loop mobility system
ELN Digital Equipment Corporation's real-time operating sn
ELP English language program
ELRAD Earth limb radiance
ELS eastern launch site
ELS elevon load system
ELS external lighting system
ELT emergency locator transmitter
ELV Earth launch vehicle
ELV expendable launch vehicle
EM electromagnetic
EM engineering model
EM exception monitor
EM&IAS electromechanical and integrated avionics subsystem
EMA electromagnetic analysis
EMA electromechanical actuator
EMA engineering and manufacturing aid
EMC electromagnetic capability
EMC electromagnetic compatibility
EMC electromagnetic control
EMC equivalent mission cycle
EMCC Emergency Mission Control Center
EMCD electromechanical control diagram
EMCFA electromagnetic compatibility frequency analysis
EMCI engineering model configuration inspection
EMCON emission control
EMD entry monitor display
EMDM enhanced multiplexer/demultiplexer
EMEC electromagnetic effects capability
EMEC electromagnetic effects compatibility
EMEC enhanced master events controller
EMES electrical, mechanical, and environmental systems
EMF electromotive force
EMG electromyogram
EMG electromyograph
EMG electromyography
EMI electromagnetic interface
EMI electromagnetic interference
EMISM electromagnetic interference safety margin
EMK emergency medical kit
EML Electromagnetic Laboratory
EML electromagnetic launcher
EMM electromechanical mockup
EMMA expert missile maintenance aid
EMMA expert missile maintenance aim
EMN engineering management network
EMON exception monitoring
EMP electromagnetic pulse
EMP enhanced MDM pallet
EMP equipment mounting plate
EMPGS electromechanical power generation subsystem
EMR Eastern Missile Range
EMR engine mix ratio
EMR engine mixture ratio
EMR executive management review
EMRL equipment maintenance requirements list
EMRLD excimer moderate Raman-shifted laser device
EMS electromagnetic susceptibility
EMS engineering master schedule
EMS entry monitor subsystem
EMS entry monitoring system
EMSP enhanced modular signal processor
EMT electrical metallic tubing
EMU engineering model unit
EMU extended memory unit
EMU extravehicular mobility unit
EMWA engineering minor work authorization
ENDF evaluated neutron data file
ENG electronystagnogram
ENS en route nuclear shuttle
ENVIRON space natural environment model
EO Earth observation
EO Earth orbit
EO electro-optic
EO electro-optics
EO Electronic Operations
EO engine-out
EO engineering order
EOAS engineering order accountability system
EOC early operational capability
EOC edge of coverage
EOC Electro-Optical Center
EOC end of contract
EOC engine order capability
EOC engine-out capability
EOCM electro-optical countermeasure
EOCR engineering order control record
EOD estimated on dock
EOD explosive ordnance disposal
EODB end of data block
EODRS Earth observation data retrieval system
EOF end of file
EOG electroculogram
EOHT external oxygen and hydrogen tank
EOI Earth orbit insertion
EOL Earth orbit launch
EOL end of life
EOL end of line
EOM Earth orbital mission
EOM end of message
EOM end of mission
EOM Engineering Operations Manual
EOM equation of motion
EOMF end of minor frame
EOP Earth and ocean physics
EOP emergency oxygen pack
EOPAP Earth and ocean physics application program
EOPF end of powered flight
EOPR engineering order purchase request
EOPR engineering order purchase requisition
EOQ economic order quantity
EOQ end of quarter
EOR Earth orbit rendezvous
EOR end of refresh
EORQ engineering order request for quotation
EORSAT electronic ocean reconstruction satellite
EOS Earth observation satellite
EOS Earth-orbit Shuttle
EOS electrophoretic separation
EOS emergency oxygen system
EOS extended operating system
EOSH electro-optical sensor hardening
EOSS Earth-orbital space station
EOSS extravehicular activity operational slide-wire system
EOT end of tape
EOT end of transmission
EOTF engineering order to follow
EOTS electro-optical threat sensor
EOW energy over weight
EP elbow pitch
EP electrical power
EP equivalent person
EP equivalent personnel
EP experiment planning
EP&PS electrical power and pyrotechnics subsystem
EPA engineering personnel authorization
EPA engineering project authorization
EPA Environmental Protection Agency
EPA estimated plan of action
EPC electronic parts control
EPC error protection code
EPC external power contractor
EPCDC electrical power conditioning, distribution, and control
EPD electrical power distribution
EPD emergency procedures document
EPD&C electrical power distribution and control
EPD&CS electrical power distribution and control subsystem
EPDB experiment power distribution box
EPDC electrical power distribution and control
EPDCS electrical power distribution and control system
EPDM ethylene propylene diene monomer
EPDS electrical power distribution system
EPDU electrical power distribution unit
EPG electrical power generator
EPGCS electrical power generation and control subsystem
EPGS electrical power generation subsystem
EPIRSS extended-performance infrared search set
EPL electrical power level
EPL electronic, electrical, and electromechanical parts list
EPL emergency power level
EPL expected power level
EPM engineering project manager
EPMS engineering performance management system
EPO element project office
EPOC External Payload Operations Center
EPPSS electrical power/pyro sequential system
EPR engine pressure ratio
EPR engineering purchase request
EPRN emergency program release notice
EPROM erasable programmable read-only memory
EPS electrical power system (subsystem)
EPS emergency power system
EPS experimental power supply
EPSP experiment power switching panel
EPSTF Electrical Power System Test Facility
EPT emergency procedure trainer
EPT environmental proof test
EPT ethylene propylene terpolymer
EPT external pipe thread
EPTU events per time unit
EPWG Environmental Projects Working Group
EPWG Experiment Planning Working Group
EPY electronic control assembly pitch and yaw
EQE event queue element
ER established reliability
ER explanation report
ER extended reliability
ER&I engine receiving and inspection
ERA electrical replaceable assembly
ERA element-relationship-attribute
ERAP Earth resources aircraft program
ERB Engineering Review Board
ERBACT ERB action item
ERBM extended-range ballistic missile
ERBS Earth radiation budget satellite
ERC Employee Recognition Center
ERC event recorder
ERCAR electrochemically regenerable CO2 absorber and
ERCB Energy Resources Control Board
ERCM engineering requirements and change management
EREP Earth resources package
ERETS Edwards rocket engine test site
ERG electroretinogram
ERG electroretinograph
ERG electroretinography
ERIM Environmental Research Institute of Michigan
ERINT exoatmospheric reentry vehicle interceptor
ERIS endoatmospheric reentry vehicle interceptor system
ERIS exoatmospheric research interceptor system
ERISA Employee Retirement Income Security Act
ERM executive review meeting
ERNO Entwicklungts Ring Nord Organization, Space Division of Eum, VFW-Fokker-Mannheim, Germany (Spacelab contractor)
ERO engineering release operation
ERP educational reimbursement program
ERP effected radiative power
ERP effective radiation power
ERP elevator reference plane
ERP eye reference point
ERR electrical resistance requirement
ERR engineering release record
ERRC expendability, recoverability, and repair capability
ERRP equipment replacement and refurbishment plan
ERS engineering release system
ERS entry and recovery simulation
ERSI elastomeric reusable surface insulation
ERSIR Earth resources Shuttle imaging radar
ERTG economic radioisotope thermoelectric generator
ERTS Earth resources technology satellite
ERU Earth rate unit (15 deg/hr)
ERV experimental reentry vehicle
ERV expiratory reserve volume
ES Earth sensor
ES Electrochemical Society
ES engineering specification
ES equal section
ES escape system
ES experiment segment
ES expert system
ESA engineering supply area
ESA engineering support area
ESA engineering system assembly
ESA European Space Agency
ESA explosive safe area (KSC)
ESB essential switching box
ESCA electron spectroscopy for chemical analysis
ESCS electronic spacecraft simulator
ESD Electronic Systems Division (NASA)
ESD Electronics Systems Division (USAF)
ESD electrostatic discharge
ESD emergency shutdown
ESD Experiment Systems Division
ESDAC European Space Data Center (Darmstadt, Germany)
ESDP external sensor data processing
ESDU event storage and distribution unit
ESE electrical support equipment
ESE electronic support equipment
ESE engineering support equipment
ESE EVA support equipment
ESF explosive safe facility
ESI electrical system integration
ESM electronic support measure
ESM energy storage module
ESM environmental systems monitor
ESM experiment support module
ESMC Eastern Space and Missile Center
ESMCR Eastern Space and Missile Center regulation
ESMS environmental and special measurements systems
ESO event sequence override
ESOC European Space Operations Center
ESOW engineering statement of work
ESP economic simulation program
ESP electroshock protection
ESP Employee Suggestion Program
ESP engineering simulator program
ESP environmental sensing platform
ESP experiment sensing platform
ESPS experiment segment pallet simulator
ESR effective sunrise
ESR engineering support request
ESR equipment status report
ESRIN European Space Research Institute
ESRO European Space Research Organization
ESS early space station
ESS effective sunset
ESS emergency survival system
ESS energy storage subsystem
ESS environmental support system
ESS equipment support section
ESS experiment subsystem simulator
ESSA electrically steerable spherical array
ESSA Environmental Sciences Services Administration
ESSC Engineering Support Services Contract
EST eastern standard time
ESTA escape system test article
ESTEC European Space Technology Center
ESTF Electronic System Test Facility (NASA)
ESTL Electronic Systems Test Laboratory
ESU eyepiece storage unit
ESV emergency shutoff valve
ESVS escape suit ventilation system
ESVS escape system ventilation system
ESW engine status word
ET edge thickness
ET elapsed time
ET element test
ET elevated temperature
ET event timer
ET external tank
ETA engineering test article
ETA estimated time of arrival
ETA estimated time to acquisition
ETA explosive transfer assembly
ETA external tank attachment
ETB equipment transfer bag
ETC Earth terrain camera
ETC estimate to completion
ETC estimated cost to complete
ETC Greenbelt, Maryland (STDN site)
ETCO equipment transfer/change order
ETD electrical terminal distributor
ETD estimated turnover date
ETD evolutionary terminal defense
ETD external tank door
ETE end to end
ETEDB external thermal environment data base
ETEEM end-to-end engagement model
ETEEM end-to-end engineering model
ETF Eglin Test Facility
ETI elapsed-time indicator
ETIC estimated time in commission
ETL Environmental Test Laboratory
ETLOW external tank lift-off weight
ETM elapsed-time meter
ETM engineering test model
ETO Earth to orbit
ETO ethylene oxide
ETOC estimated time of correction
ETP engineering test phase
ETP environmental test plan
ETP equipment test plan
ETPY electronic control assembly thrust vector pitch and yaw
ETR Eastern Test Range
ETROD Eastern Test Range operations directive
ETRR environmental test readiness review
ETS electrical test set
ETS energy transfer system
ETS external tank system (subsystem)
ETSS external tank separation subsystem
ETT estimated time of track
ETUD external tank umbilical disconnect
ETV electrical test vehicle
ETVA external tank vent arm
EU electronic unit
EU engineering unit
EU experimental unit
EURECA European retrievable carrier
EUROCOMSAT European consortium communications satellite
EUV extreme ultraviolet
EUVE extreme ultraviolet experiment
EV earned value
EV entry vehicle
EV expendable vehicle
EV extravehicular
EV88 Experiment Version 88 (BMC3 experiment)
EVA earned-value analysis
EVA extravehicular activity
EVAL Earth-viewing applications laboratory
EVAS extravehicular activity system
EVATA extravehicular activity translational aid
EVC extravehicular communications
EVCF Eastern Vehicle Checkout Facility
EVCON events control (controller)
EVCS extravehicular communications system
EVCU extravehicular communications umbilical
EVD external visual display
EVDE external visual display equipment
EVF equipment visibility file
EVLSS extravehicular life support system
EVM Earth-viewing module
EVMU extravehicular mobility unit
EVO engineering verification order
EVS equipment visibility system
EVS extravehicular suit
EVSC extravehicular suit communications
EVSS extravehicular space suit
EVSTC extravehicular suit telecommunications
EVSU extravehicular space unit
EVT extravehicular transfer
EW electronic warfare
EWA estimated warehouse arrival
EWE emergency window escape
EWM engineering wring-out meeting
EWO engineering work order
EWR engineering work request
EWW extended workweek
EXC experiment computer
EXCABL expert cable (automated payload cabling system)
EXH exchange hardware
EXMATCH expert drawing matching system
EXO experiment operator (in Spacelab)
EXT experiment terminal (operator console on Spacelab)
EXTRAJ ascent trajectory (design expert system)
F Fahrenheit
F farad
F floating point
F force
F&A fabrication and assembly
F&D fill and drain
F&E facility and environment
F&IE facilities and industrial engineering
F&M force and moment
F&P fluids and propulsion
F&PC finance and program control
F-F face-to-face
F/A fabrication and assembly
F/A failure analysis
F/A fuel-to-air ratio
F/C fire control
F/C fit check
F/C flight control
F/C flow control
F/C fuel cell
F/D face of drawing
F/D field of drawing
F/D fill/drain
F/E full/empty
F/F fill/full
F/O fuel oxidizer
F/R flared rudder
FA factor analysis
FA failure analysis
FA feedback analysis
FA final approach
FA final assembly
FA flight acceptance
FA flight aft
FA flight-critical aft
FA fully automatic
FA< first approach and landing test
FA/COSI final assembly closeout systems installation
FAA false alarm avoidance
FAA Federal Aviation Administration
FAB flight assignment baseline
FABU fuel additive blender unit
FACC Ford Aerospace and Communications Corporation
FACI first-article configuration inspection
FACO fabrication and acceptance checkout
FACO factory acceptance checkout
FACO factory assembly and checkout
FACO final assembly checkout
FACR first-article configuration review
FACS finance and control system
FACT first-address control table
FACT flexible automatic circuit tester
FACT flight acceptance composite test
FACTS FDF automated control and tracking system
FAD final approach display
FAD flight assessment delta
FAE final approach equipment
FAF final assembly fixture
FAF first aerodynamic flight
FAFS Falcon Air Force Station
FAIR fabrication, assembly, and inspection record
FAIR fly-along infrared
FAL facility area layout
FAL first approach and landing
FAME formatting and multiplexing equipment
FAMOS flight acceleration monitor system
FAMS FDF automated monitoring system
FAMU fuel additive moisture unit
FAO flight activities officer
FAP final approach plane
FAP FORTRAN assembly program
FAPE Florida Association of Professional Employees
FAR failure analysis report
FAR Federal Aviation regulation
FAR federal acquisition regulation
FAR final acceptance review
FAR flight acceptance review
FAR flight analysis review
FAS flight analysis system
FAS forward acquisition sensor
FASCOS flight acceleration safety cutoff system
FAT factory acceptance test (some subcontractors)
FAT final acceptance test (Rockwell)
FAT flight attitude table
FAWG Flight Assignment Working Group
FB feedback
FB field bulletin
FB final braking
FB flat bar
FB fleet broadcast
FBAS fixed-base aft station
FBB flyback booster
FBC fluidized-bed combustion
FBCS fixed-base crew station (SMS)
FBM fleet ballistic missile
FBV field-base visit
FBV fuel bleed valve
FC facility control
FC ferrite core
FC fire control
FC fit check
FC flight computer
FC flight control
FC flight critical
FC fuel cell
FCA field change analysis
FCA flow control assembly
FCA forward controller assembly
FCA frequency control analysis
FCA functional compatibility analysis
FCA functional configuration audit
FCAF Flight Crew Accommodation Facility
FCAP flight control applications program
FCB Fracture Control Board
FCC Federal Communications Commission
FCC flat conductor cable
FCCP firm contract cost proposal
FCD Flight Control Division (NASA)
FCDB flight control data bus
FCDC flexible confined detonating cord
FCDR final critical design review
FCE fast-cycle executive
FCE flight control equipment
FCE flight crew equipment
FCEF Flight Crew Equipment Facility
FCEI facility contract end item
FCEI facility contractor end item
FCF first captive flight
FCF functional check flight
FCH Flight Controller's Handbook
FCHL Flight Control Hydraulics Laboratory
FCI flight control indicator
FCI flight crew integration
FCI functional configuration identification
FCIM flight control interface module
FCIP flight cargo implementation plan
FCITE FCI time element
FCL feeder control logic
FCL fluid coolant loop
FCL Freon coolant line
FCL Freon coolant loop
FCM flow control module
FCMC facility control and monitor console
FCMU foot-controlled maneuvering unit
FCO field change order
FCO final checkout
FCO flight crew operations
FCO functional checkout
FCOB Flight Crew Operations Branch (NASA)
FCOD Flight Crew Operations Directorate
FCOH Flight Controller's Operational Handbook
FCOS flight computer operating system
FCOS flight control operating system
FCOS flight control operational software
FCP Failure Correction Panel
FCP firm cost proposal
FCP flight correction proposal
FCP fuel cell power plant
FCP fuel cell propellant
FCPS fuel cell power system (subsystem)
FCR facility change request
FCR final configuration review
FCR flight configuration review
FCR flight control room
FCRA fecal collection receptacle assembly
FCRT flight display CRT
FCS fecal containment system
FCS federal communications system
FCS fire control system
FCS flight control simulator
FCS flight control system
FCS flight crew system
FCS front crew system
FCSD Flight Crew Support Division (JSC)
FCSM flight combustion stability monitor
FCSS fuel cell servicing system
FCSTF Fuel Cell System Test Facility
FCT filament center tap
FCT flight control team
FCT flight controller trainer
FCT flight crew trainer
FCT fuel cell test
FCTB Flight Crew Training Building
FCTF Fuel Cell Test Facility
FCTR flight controller training room
FCTS flight crew trainer simulator
FCU fluid checkout unit
FCV flow control valve
FCW format control word
FD fault detection
FD flight day
FD flight director
FD freeze-dried
FD function designator
FD functional designator
FD/FI fault detection/fault isolation
FDA fault detection and annunciation
FDA flight deck assembly
FDAI flight director attitude indicator
FDB facility data base
FDB Fahrenheit dry bulb
FDCF Flight Design Control Facility
FDDB function designator data base
FDDI fiber distributed data interface
FDF first drop flight
FDF flight data file
FDI failure detector indicator
FDI fault detection and identification
FDI fault detection and isolation
FDI flight detection and isolation
FDI flight director instrument
FDIIR fault detection, isolation, identification, and
FDIR fault detection, identification, and recovery
FDIR fault detection, isolation, and recovery
FDIR fault detection/isolation and reconfiguration
FDK flight display keyboard
FDL flight director loop
FDLC final design load cycle
FDM flight data manager
FDM flight design manager
FDM frequency data multiplexer
FDM frequency division multiplexer
FDM frequency domain multiplexer
FDMA frequency division multiple access
FDO fee determination official
FDO Flight Director's Office
FDO flight dynamics officer
FDOR flight design operations review
FDP Flight Design Panel
FDR final design review
FDR flight definition requirement
FDR functional design review
FDRD flight definition and requirements directive
FDRD flight definition and requirements document
FDRD flight determination and requirements directive
FDRI flight director rate indicator
FDS failure dynamics software
FDS functional design specification
FDS fire detection and suppression
FDS flight design and scheduling
FDS flight design system
FDS flight dynamics simulator
FDS flight dynamics software
FDS flight dynamics support
FDS flight dynamics system
FDS fluid distribution system
FDSC flight dynamics simulation complex
FDSC flight dynamics situation complex
FDSCU fluid distribution system control unit
FDSR final design status review
FDT full-duplex teletype
FDU fluid distribution unit
FDX simultaneous, two-way, full-duplex channel
FE flight execution
FE flight executive
FE flight experiment
FE force execution
FEA failure effects analysis
FEA flight experiment apparatus
FEA fluids experiment apparatus
FEAT final engineering acceptance test
FEB forward equipment bay
FEB fourth entry battery
FEB functional electronic block
FEC field engineering change
FEC forward events controller
FECR final experiment concept review
FED flight events demonstration
FEDB flight execution data base
FEDP facility and equipment design plan
FEE failure effects evaluation
FEID flight equipment interface design
FEID flight equipment interface device
FEID functional engineering interface device
FEL first-element launch
FEL free-electron laser
FEM finite-element method
FEM finite-element model
FEMCPL facilities and environmental measurement component parts
FEO field engineering order
FEP fluorinated ethylene-propylene
FEP front-end processor
FEPC flight equipment processing contractor
FERD facility and equipment requirements document
FES flash evaporator system
FES flight element set
FESL failure effects summary list
FESP flight execution support plan
FET field effect transistor
FET flight elapsed time
FEWG Flight Evaluation Working Group
FF flight forward
FF flight-critical forward
FF flip-flop
FF forecasting funding
FF forward fuselage
FF free flight
FF free flyer
FF full field
FF full functional
FFBD functional flow block diagram
FFC final flight certification
FFC first-flight capability
FFD fixed-format display
FFD functional flow diagram
FFF final factory functional
FFM free-flying (experiment) module
FFP firm fixed price
FFP firmed fixed price
FFR flight feasibility review
FFRR first flight readiness review
FFSAC field functional systems assembly and checkout
FFT factory functional test
FFT fast Fourier transform
FFT frame format table
FFTO free-flying teleoperator
FH flex hose
FHC flight half-coupling
FHD fixed-head disk
FHF first horizontal flight
FHO failed hardover
FHP fuel high pressure
FHS forward heat shield
FHST fixed-head star tracker
FI fault identification
FI fault isolation
FI field intensity
FI formal inspection
FIA flight integration assessment
FIAB Flight Integration Assessment Board
FIAR failure investigation action report
FICA Federal Insurance Contribution Act
FID flight implementation directive
FIE flight instrumentation engineer
FIFO first in/first out (high-speed data buffer)
FIIG federal item identification guide
FIIN federal item identification number
FIIWG Facility Integration and Installation Working Group
FILE feature identification and location equipment
FIM field instruction memorandum
FIMS framework for integrated manufacturing system
FIO furnished and installed by others
FIR fuel indicator reading
FIRSSE Far Infrared Sky Survey Experiment
FIS facility interface sheet
FISA facility inspection shakedown acceptance
FIST final integrated system test
FIST functional integrated system test
FIT fault isolation test
FITH fire in the hole
FIV fuel isolation valve
FKB flight display keyboard
FL feed line
FL flow line
FL forward link
FLAG flexible assignment generator
FLAGE Flexible Lightweight Agile Guided Experiment
FLAIR functional language articulated interactive resource
FLAPS flight application software
FLC Federal Library Committee
FLC forward load control
FLCA forward load controller assembly
FLIR forward-looking infrared
FLLK frustum-lifting lug kit
FLPS flight load planning system
FLR flight log recorder
FLSA Fair Labor Standards Act
FLSC flexible linear-shaped charge
FLTSATCOM fleet satellite communications
FLW Fellows (TACAN station)
FM first mold
FM flight model
FM fluid module
FM fracture mechanics
FM frequency modulated
FM frequency modulation
FM/CW frequency-modulated continuous wave
FM/FM frequency modulation/frequency multiplexing
FM/PM frequency modulation/phase modulation
FMA failure mode analysis
FMAD fluid management and distribution
FMAHTS flight manifest and hardware tracking system
FMAR final mission analysis review
FMC forward motor controller
FMCA forward motor controller assembly
FMCF first manned captive flight
FMCS Federal Mediation and Conciliation Services
FMD fixed-module drive
FMD&C flight mechanics, dynamics, and control
FMDM flexible multiplexer/demultiplexer
FMEA failure mode and effects analysis
FMEC forward master events controller
FMECA failure modes and effects criticality analysis
FMECA failure modes, effects, and criticality analysis
FMK field modification kit
FML fault message line
FML final materials list
FMO flight medical officer
FMOF first manned operational flight
FMOF first manned orbital flight
FMOFEV first manned orbital flight with EVA
FMOFPL first manned orbital flight with payload
FMP facility management plan
FMPAC fixed multipurpose application console
FMR field modification request
FMR function max rate
FMS fluid management system
FMS food management subsystem
FMS forms management system
FMS functional master schedule
FMSP FM signal processor
FMSP frequency modulation signal processor
FMT flight management team
FMX FM transmitter
FND facility need date
FNOC Fleet Numeric Oceanography Center (U.S. Navy)
FNOC Fleet Numerical Oceanography Center
FNT failure notification Telex
FO fail operating
FO fail operational
FO fast operating
FO fiber-optic
FO flat oval
FO functional objective
FO-FO-FS fail operational/fail operational/fail safe
FO-FS fail operational/fail safe
FOB Flight Operations Building
FOB fractional orbit bombardment
FOB free on board
FOBS fractional orbit bombing system
FOC fleet operational capability
FOC full operational capability
FOCR final operational concept review
FOD Flight Operations Directorate (JSC)
FODS fiber-optic demonstration system
FOE flight operations engineer
FOF first operational flight
FOF first orbital flight
FOF flight operations facility
FOG fiber-optic gyro
FOGM fiber-optic guided missile
FOH first-order hold
FOI field operations installation
FOIH Flight Operations Integration Handbook
FOM field operations memorandum
FOM figure of merit
FOMR Flight Operations Management Room
FOP facility operations plan
FOP Flight Operations Panel
FOP flight operations plan
FOP follow-on production
FOPG Flight Operations Planning Group
FOPP follow-on parts production
FOPS flight operations planning schedule
FOPSS flight operation product scheduling system
FOR field of regard
FOR flight operations review
FORD flight operations requirement document
FORTRAN formula translation
FOS flight operation security
FOS flight operations support
FOSA Flight Operations Support Annex
FOSDIC film optical sensing device for input to computers
FOSMS facility operation scheduling and monitoring system
FOSO flight operations scheduling officer
FOSP flight operations support personnel
FOST flight operations support team
FOT flight operation trainer
FOT flight operations team
FOV field of view
FOV field of vision
FOV first orbital vehicle
FOWG Flight Operations Working Group
FP fine pointer
FP fuel pressure
FP function path
FP functional path
FP fine pointing
FP fixed point
FP fixed price
FP flat panel
FP flexible processor
FP flight plan
FP focal plane
FP freezing point
FPA focal plane array
FPA focal plane assembly
FPB fuel preburner
FPBOV fuel preburner and oxidizer valve
FPC Federal Power Commission
FPC fixed-price contractor
FPC forward power controller
FPCA forward power controller assembly
FPDE focal plane drive electronics
FPE functional program element
FPEG fast-pulse electron gun
FPH Flight Procedures Handbook
FPI fixed-price incentive
FPI fuel pressure indicator
FPIF fixed-price incentive fee
FPIT field preinstallation test
FPL fetch pointer list
FPL full power load
FPO Future Projects Office (MSFC)
FPOV fuel preburner oxidizer valve
FPP floating-point processor
FPP Freon pump package
FPPR fixed price with price revision
FPQ fixed, special-purpose radar
FPR flight performance reserve
FPRV flight product requirements verification
FPSP focal plane signal processor
FPSR flight planning and stowage review
FPSS fine-pointing sun sensor
FPU floating-point unit
FPV flow proportioning valve
FPWG FSD Planning Working Group
FQ flight qualification
FQF first qualification flight
FQI flight qualification instrumentation
FQR final qualification review
FQR flight qualification recorder
FQR formal qualification review
FQT formal qualification test
FR fast release
FR final review
FR firing room
FR flight rule
FR force-reflective
FR frame rate
FR fully reusable
FRACAS failure reporting, analysis, and corrective action
FRAGNET fragmented network
FRB Failure Review Board
FRC fixed radio control
FRC flight readiness certification
FRCB Flight Rules Change Board
FRCB Flight Rules Control Board
FRCI fibrous refractory composite insulation
FRCS forward reaction control system (subsystem)
FRD flight requirements document
FRD functional requirements document
FRDI flight research and development instrumentation
FRDR flight readiness design review
FRE flight-related element
FRE format request element
FRF flight readiness firing
FRFT flight readiness firing test
FRG Federal Republic of Germany
FRJD forward reaction jet driver
FRL frame reference line
FRL fuselage reference line
FRM facility requirements manager
FRP fuselage reference plane
FRR flight readiness review
FRRID flight readiness review item disposition
FRSI felt reusable surface insulation
FRT flight readiness test
FRT frequency response test
FS factor of safety
FS Freon servicer
FS full scale
FS functional schematic
FS fuselage station
FS fail safe
FS fail to sync
FS fault summary
FS federal specification
FS fire suppression
FS fixed silo
FS flight system
FS fluid system
FS3 Future Security Strategy Study
FSA final-stage acceptance
FSA frequency standard assembly
FSAA flight simulator for advanced aircraft
FSC Fairchild Space Company
FSC federal stock classification
FSCM federal supply code for manufacturers
FSCP fire sensor control panel
FSCP flight support computer program
FSD Flight Simulation Division (JSC)
FSD full-scale development
FSD&P flight systems design and performance
FSDU frequency synthesizer and distribution unit
FSE factory support equipment
FSE flight simulation engineer
FSE flight support equipment
FSED full-scale engineering development
FSF first static firing
FSGS flare/shallow glide slope
FSH fixed superhard
FSI final systems installation
FSI flight software integration
FSIM functional simulator
FSIWG Flight System Interface Working Group
FSK frequency shift key
FSL Flight Simulation Laboratory
FSL Flight Systems Laboratories
FSLP first Spacelab payload
FSLT first sea-level test
FSM Firmware Support Manual
FSM fuel supply module
FSN federal stock number
FSO facility security officer
FSO functional supplementary objective
FSP fault summary page
FSP flight safety plan
FSPL free-space-path loss
FSR final system release
FSR final systems review
FSR Flight Support Room
FSR flight support request
FSRR flight software readiness review
FSRR flight system readiness review
FSRS flight system recording system
FSS field spectrometer system
FSS fire suppression system
FSS fixed service structure
FSS flight support station
FSS flight support structure
FSS flight support system
FSS flight systems simulator
FSS frequency selective surface
FSS full-scale station
FSSE flight sensor stimuli equipment
FSSR flight system software request
FSSR flight system software requirements
FSSR functional subsystem software requirements
FSSS Future Strategic Systems Study
FSTE factory special test equipment
FSTS frequency standard test set
FSU facility security office
FSU factor of safety ultimate
FSU Freon servicing unit
FSU frequency synthesizer unit
FSV flight space vehicle
FSW flight software
FSY factor of safety yield
FT fast track
FT fault tolerant
FT feed-through
FT fine tracker
FT flight team
FT flight test
FT formal training
FT functional test
FT&C formal training and certification
FTA fatigue test article
FTA fault-tree analysis
FTA flight test article
FTAM file transfer, access, and management
FTC flight test conductor
FTC Florida Test Center (MDAC)
FTD flight test directive
FTD Foreign Technology Division, U.S. Air Force
FTE factory test equipment
FTE flight test engineer
FTE forced test end
FTFD field test force director (AFSCF)
FTIR Fourier transform infrared
FTIS flight test instrumentation system
FTMC fault-tolerant memory control
FTO flight test objective
FTO Foreign Technology Office
FTO functional test objective
FTOH Flight Test Operations Handbook
FTP flight test procedure
FTP full-throttle position
FTP functional test program
FTP functional test progress
FTPF Flight and Training Planning Facility
FTR flight test requirement
FTR functional test requirement
FTRD flight test requirements document
FTRD functional test requirements document
FTS far-term study
FTS far-term system
FTS federal telecommunications system
FTS flight telerobotic service
FTS flight telerobotic servicer
FTS flight termination system
FTS flight test station
FTS flight test system
FTS functional test specification
FTT field test telescope
FTVE functional technology validation experiment
FU flight unit
FUB forward utility bridge
FUI federal unemployment insurance
FUO follow-up output
FUT flight unit test
FV flight version
FV front view
FV incremental change in velocity
FVDS fuel vent and drain system
FVF first vertical flight
FVSS fuel vapor scrubber system
FVV facility verification vehicle
FW flag word
FW fuel wasting
FWB Fahrenheit wet bulb
FWC filament-wound case
FWG Facility Working Group
FWW food, water, and waste
FWWM food, water, and waste management
FWWMS food, water, and waste management subsystem
FXR flash X-ray
FY fiscal year
G&A general and administrative
G&C ground rules and constraints
G&C guidance and control
G&CEP guidance and control equipment performance
G&CI guidance and control integration
G&N guidance and navigation
G&NS guidance and navigation system
G-A ground to air
G-G ground to ground
G-II Gulfstream II (Shuttle training aircraft)
G-MEM GPC memory
G-V gravity-velocity
G/A ground to air
G/A/G ground to air to ground
G/AIT ground/airborne IGS terminal
G/C guidance and control
G/E graphite-epoxy
G/G ground to ground
G/N general notes
G/S glide slope
G/T gain versus temperature
G/T ratio of antenna gain to receiver noise temperature
G/W gateway
GA glide angle
GA ground antenna
GA gyro assembly
GA&CS ground acquisition and command station
GAC ground attitude control
GAC Grumman Aerospace Corporation
GACU ground air conditioning unit
GACU ground avionics cooling unit
GADG gravity or acceleration due to gravity
GAEC Grumman Aircraft Engineering Corporation
GAIN graphic aids for investigating networks
GAO General Accounting Office
GAP GOAL automatic procedure
GAPL group assembly parts list
GAS getaway special
GASD Government Aerospace Systems Division (Harris Corporation)
GASP General Ascent Trajectory and Sizing Program
GASPI gimbal angle, surface position indicator
GATE generic automatic test equipment
GATP ground acceptance test procedure
GATP ground article test procedure
GATT gate-assisted turnoff thyristor
GAX GN&C annunciation interface
GBD global burst detector
GBD Government Business Division
GBI Grand Bahama Island
GBL government bill of lading
GBL ground-based laser
GBOTV ground-based OTV
GBR glass bead rating
GBR ground-based radar
GBS ground-based software
GBSS ground-based surveillance system
GBT gyro bias calibration value
GC gas chromatography
GC gyrocompass
GC gigacycle (1,000 megacycles)
GC gimbal case
GC ground computer
GC ground contact
GC ground control
GC ground controller
GC guidance computer
GC guidance control
GCA ground-controlled approach
GCA guidance coupler assembly
GCC ground communications coordinator
GCC Ground Control Center
GCCC Ground Control Computer Center
GCCO ground control checkout
GCD greatest common divisor
GCD gyrocompass, desired cluster orientation
GCDC ground checkout display and control
GCDS ground checkout display and control system
GCE GPS cargo element
GCF greatest common factor
GCF ground communications facility
GCHX ground cooling heat exchanger
GCI ground-controlled interception
GCID ground computer interface device
GCIL ground command interface logic
GCIL ground control interface logic
GCILC ground command interface logic controller
GCILU ground control interface logic unit
GCL ground control landing
GCL ground coolant loop
GCN GIRD change notice
GCN ground communications network (A/G worldwide net)
GCN ground control network
GCO ground checkout
GCOS general computer operational system
GCOS ground computer operating system
GCP ground command post
GCP group command post
GCR ground-controlled radar
GCR group-coded recording
GCS ground communications system
GCS ground control station
GCS guidance cutoff signal
GCTS gas component test stand
GCTS ground communication tracking system
GCU general control unit
GCU generator control (regulator) unit
GCU ground cooling unit
GCU gyro coupling unit
GDA General Dynamics Astronautics
GDA gimbal drive actuator
GDA gimbal drive assembly
GDBS generalized data base system
GDC General Dynamics Corporation
GDC gyro display coupler
GDCA General Dynamics Convair Aircraft
GDDM graphical data display manager
GDMS generic data management system
GDMS ground data management system
GDOP geometric dilution of precision
GDP generalized documentation processor
GDR geophysical data record
GDS Goldstone, California (STDN)
GDSD Ground Data Systems Division
GDSM ground data systems manager
GDSO ground data systems officer
GDSSR GDSD staff support room
GE General Electric
GE-AESD General Electric Aerospace Electronics Systems
GE/B General Electric Burroughs
GEA gimbal electronics assembly
GEC General Electrodynamics Corporation
GEDAC General Electric detection and automatic correction
GEM generic electronics module
GEMS general energy management system
GEMS global emergency missile surveillance
GEO geosynchronous Earth orbit
GEODSS ground-based electro-optical deep-space surveillance
GEOMOD geometric modeler
GEOPAUSE geodetic satellite in polar geosynchronous orbit
GEOSEPS geosynchronous solar electric propulsion stage
GERT graphical evaluation and review technique
GESS Goddard experiment support system
GET ground elapsed time
GETI ground elapsed time of ignition
GETL ground elapsed time of landing (for TIG of abort burn)
GETS ground equipment test set
GF gauge factor
GF government-furnished
GF&P gases, fluids, and propellants
GFAE government-furnished aeronautical equipment
GFAE government-furnished aircraft equipment
GFD government-furnished data
GFE government-furnished equipment
GFERD government-furnished equipment requirement description
GFI government-furnished information
GFI ground fault interrupter
GFM government-furnished material
GFP generalized filter program
GFP government-furnished property
GFRP glass-fiber-reinforced plastic
GFRP graphite-fiber-reinforced plastic
GFS government-furnished software
GFTM generic fluids transfer model
GFY government fiscal year
GG gas generator
GG gravity gradient
GGVM gas generator valve module
GHA general housekeeping area
GHA Greenwich hour angle
GHC ground half-coupling
GHE ground handling equipment
GHX ground heat exchanger
GHe gaseous helium
GHz gigahertz
GIA general-purpose computer interface adapter
GIAG Government-Industry Advisory Group
GIBIS graphical issue-based information system
GIC GPC interface console
GIDD GSE interface definition document
GIDEP government interagency data exchange program
GIDEP government-industry data exchange program
GIDS general-purpose interactive display system
GIE ground instrumentation equipment
GIF graphics interchange format
GIM generalized information management
GIMADS generic integrated maintenance and diagnostic system
GIMADS generic integrated maintenance diagnostics
GIRD ground integration requirements document
GISO general industry safety order
GITG Ground Interface Technical Group
GIWG Ground Interface Working Group
GKS graphics kernel system
GLAADS gun low-altitude air defense system
GLC generator line contractor
GLCM ground-launched cruise missile
GLLD ground locator laser designator
GLOW gross lift-off weight
GLOW ground lift-off weight
GLP GOAL language processor
GLS ground launch sequencer
GM gaseous mixture
GM geometric mean
GM ground mobile
GMAL General Electric Macro Assembly Language
GMAW gas metal arc welding
GMCC Ground Mobile Control Center
GMCL ground measurements command list
GME gimbal module electronics
GMEM GPC memory
GMF ground module force
GMIP government mandatory inspection point
GMIS ground STDN management information system
GMIS GSSC management information system
GML general measurement loop
GMLCC Ground Mobile Launch Control Center
GMM geometrical math model
GMN Gorman (TACAN station)
GMT Greenwich mean time
GN ground network
GN&C guidance, navigation, and control
GN&CS guidance, navigation, and control subsystem
GNC guidance and navigation computer
GNC guidance, navigation, and control
GNCFTS GN&C flight test station
GNCIS GN&C integration simulator
GNCS guidance and navigation control system
GNCSIM GN&C simulation
GNCTS GN&C test station
GNE guidance and navigational electronics
GNIC G&N indicator control
GNP gross national product
GNS guidance and navigation simulator
GNS guidance navigation system
GO general order
GOAL ground operations aerospace language
GOASEX Gulf of Alaska Seasat Experiment
GOC ground operations coordinator
GOCA ground operations control area
GOCO government-owned, contractor-operated
GOE ground operating equipment
GOE ground outfitting equipment
GOES geostationary operational environment satellite
GOES geosynchronous operational environmental satellite
GOM KSC ground operations manager at DFRF or WSMR
GOMMS ground operations and material management system
GOMS ground operations management system
GOP Ground Operations Panel
GOP ground operations plan
GOPG Ground Operations Planning Group
GOR ground operations review
GORD ground operations requirements document
GORP Ground Operations Review Panel
GORP ground operations requirements plan
GORR ground operation readiness review
GORS ground observer RF system
GOS ground operations system
GOSP ground operational support plan
GOSRP ground operational support requirements plan
GOSS ground operational support system
GOTS government off the shelf
GOWG Ground Operations Working Group
GP general publication (KSC)
GP general-purpose
GP government property
GPA general-purpose amplifier
GPAS general-purpose airborne simulator
GPBIM general-purpose buffer interface module
GPC gel permeation chromatograph
GPC gel permeation chromatography
GPC general-purpose computer
GPC gyro pulse count
GPCB GOAL program control block
GPCIPL general-purpose computer initial program load
GPD gimbal position display
GPI gimbal position indicator
GPI ground position indicator
GPIO general-purpose input and output
GPL general-purpose laboratory
GPL GOAL processing language
GPME general-purpose mission equipment
GPNDS global positioning and nuclear detection system
GPO Government Printing Office
GPRN GOAL test procedure release notice
GPRP government production research property
GPS general processing subsystem
GPS Global Positioning System (Navstar)
GPS ground power supply
GPS ground processing simulation
GPS RX GPS user receiver
GPSCP GPS computer program
GPSS general-purpose simulator system
GPSS general-purpose system simulator
GPTE general-purpose test equipment
GPU ground power unit
GPUR GOAL test procedure update request
GPVS general-purpose visual simulator
GR ground rule
GRACE ground radar calibration equipment
GRC Glenn Research Center
GRD ground detector
GRE Gamma Ray Explorer
GRID graphic retrieval and information display
GRNC group not counted
GRO Gamma Ray Observatory
GRS global receiving system
GRTLS glide return to launch site
GS gas servicer
GS generalized system
GS glide slope
GS ground speed
GS ground station
GS ground system
GS II Generalized System II
GSA General Services Administration
GSAT geosynchronous satellite
GSCU ground service cooling unit
GSDL Ground Software Development Laboratory
GSDS Goldstone duplicate standard (standard DSIF equipment)
GSE government support equipment
GSE ground servicing equipment
GSE ground support equipment
GSE&I general systems engineering and integration
GSEL ground support equipment list
GSERD ground support equipment recommendation data
GSF gyro scale factor
GSFC Goddard Space Flight Center
GSI glide slope indicator
GSI government source inspection
GSIG Ground Systems Integration Group
GSIU ground standard interface unit
GSLS ground station link survivability
GSO Ground Support Office
GSO ground support operations
GSO ground systems operations
GSP ground safety plan
GSP-R guidance signal processor-repeater
GSPF Ground Software Production Facility (LPS) (FR 2 KSC)
GSPO Ground Systems Project Office (JSC)
GSR galvanic skin response
GSS geosynchronous space station
GSS government systems sector
GSS ground support software
GSS ground support system
GSSC General Systems Simulation Center (NASA)
GSSC ground support simulation computer
GSSF general service stock fund
GSSI ground support system integration
GSSI&C ground support systems installation and checkout
GSSI&C group support systems integration and checkout
GST ground system test
GSTAR Saudi Arabian communications satellite
GSTDN ground space flight tracking and data network
GSTDN ground spacecraft tracking and data network
GSTP ground system test procedure
GSTS ground-based surveillance and tracking system
GSTS/BM ground-based surveillance and tracking sagement
GSU gas servicer unit
GSV glove stop valve
GSVOO ground station visibility of orbiting objects
GSVP ground support verification plan
GT ground team
GT ground test
GT gyro torque
GT&A ground test and acceptance
GTA gas tungsten arc
GTA ground test access
GTA ground test article
GTA ground test assembly
GTA ground torquing assembly
GTAW gas tungsten arc welding
GTC glycol trim console
GTC ground test conductor
GTCU ground thermal conditioning unit
GTE General Telephone and Electronics
GTF ground test facility
GTI Grand Turk Island
GTI ground test instrumentation
GTLV government-furnished target launch vehicle
GTM ground team manager
GTM ground test missile
GTM ground test motor
GTO generic technical order
GTO geosynchronous transfer orbit
GTP general test plan
GTRI Georgia Tech Research Institute
GTS general test support
GTS GN&C test station
GTS GNS test station
GTS guidance test station
GTT group technology time
GTU glycol trim unit
GTV ground test vehicle
GTV ground transport vehicle
GTVI gimbal angle and translational velocity indicator
GUCP ground umbilical carrier plate
GUIDO guidance officer
GUL GSE utilization list
GUSB guided, unified S-band
GVL Ground Vibrations Laboratory
GVO Gaviota (TACAN station)
GVSC generic VHSIC spacecraft computer
GVT ground vibration test
GVTA ground vibration test article
GW gateway
GW gross weight
GWA general work area
GWT ground winds tower
GYM Guaymas, Mexico (remote site)
GaAs gallium arsenide
GeV giga electron volt
Gr/Al graphite-aluminum
Gr/Ep graphite-epoxy
H altitude
H altitude rate
H hazardous (task classification)
H henry (SI unit)
H momentum
H&D hardened and dispersed
H&K homing and kill
H-CITE horizontal cargo integration test equipment
H-S Hamilton Standard
H-S horizon scanner
H-S horizon sensor
H/A hazardous area
H/B hyperbaric
H/C head count
H/E heat exchanger
H/F human factor
H/L hardline
H/O handover
H/S heat shield