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STS-121 Shuttle Mission Imagery
STS-121 external tank on launch day.
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STS121-E-05155 (4 July 2006)-- This picture of the STS-121 external tank was photographed by a camera positioned in Discovery's umbilical well seconds after separation from the Space Shuttle Discovery on launch day. Engineers, managers and flight controllers have carefully studied this image and other frames from this series as well as a number of pictures showing the falling ET as photographed by a handheld digital still camera in the shuttle's crew cabin.

Curator: Kim Dismukes | Responsible NASA Official: John Ira Petty | Updated: 07/12/2006
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