NASA - National Aeronautics and Space Administration

Final STS-129 Spacewalk Complete

Image above: Mission Specialist Randy Bresnik works outside of the International Space Station during the final spacewalk of the STS-129 mission. Photo credit: NASA TV

Mission Specialists Randy Bresnik and Robert Satcher Jr. completed a 5-hour, 42-minute spacewalk, the third and final spacewalk of the STS-129 mission, at 2:06 p.m. EST Monday.

Mission Specialist Mike Foreman was the intravehicular crew member who helped to direct today’s activities and coordinate communications between the spacewalkers and Mission Control in Houston.

The spacewalkers transfered an oxygen filled High Pressure Gas Tank (HPGT) from the EXPRESS Logistics Carrier 2, or ELC2, located on the starboard truss, to a spot on the outside of the Quest Airlock. The tank will be used to replenish atmosphere lost when spacewalkers enter and exit the station.

While Satcher was relocating the HPGT, Bresnik installed the seventh Materials International Space Station Experiment, or MISSE 7. This is the most advanced of the MISSE payloads to date and will be the first to receive power directly from the station and use the station’s communication system to send commands and downlink real-time data.

The STS-129 mission is focused on the storage of spare hardware on the exterior of the station. The 11-day flight includes three spacewalks and the installation of two platforms to the station’s truss, or backbone. The platforms will hold spare parts to sustain station operations after the shuttles are retired. This equipment is large and can only be transported using the unique capability of the shuttle.

For the latest news and information on the STS-129 mission, visit the main shuttle page.

› Read more about STS-129

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› Read more about Expedition 21
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