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STS-99 Shuttle Mission Imagery

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JSC2000E01551 (January 2000) --- An "exploded" drawing depicts the Space Shuttle Endeavour and the Shuttle Radar Topography Mission (SRTM) mast, along with the pallet for SRTM and supportive antennae. The mast will be deployed and retracted by a motor-driven nut within the mast canister. This nut will pull the mast from its stowed configuration and allow it to unfold like an accordion. A crew member inside the shuttle will initiate the mast deployment, a chore which will take about 20 minutes. The mast also can be deployed manually during a contingency extravehicular activity (EVA) using a hand-held motor. The mast is 200 feet (60 meters) long.

Curator: JSC PAO Web Team | Responsible NASA Official: Amiko Kauderer | Updated: 11/06/2012
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