page_title: STS-126
hierarchical_section_title: STS-126
caption_attribution_description: Astronaut Steve Bowen, STS-126 mission specialist, participates in the mission's first session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 52-minute spacewalk, Bowen and astronaut Heidemarie Stefanyshyn-Piper (out of frame), mission specialist, worked to clean and lubricate part of the station's starboard Solar Alpha Rotary Joints (SARJ) and to remove two of SARJ's 12 trundle bearing assemblies. The spacewalkers also removed a depleted nitrogen tank from a stowage platform on the outside of the complex and moved it into Endeavour's cargo bay. They also moved a flex hose rotary coupler from the shuttle to the station stowage platform, as well as removing some insulation blankets from the common berthing mechanism on the Kibo laboratory.
context_page_description: STS-126 was a Space Shuttle mission to the International Space Station flown by Space Shuttle Endeavour. The purpose of the mission, referred to as ULF2 by the ISS program, was to deliver equipment and supplies to the station, to service the Solar Alpha Rotary Joints, and repair the problem in the starboard SARJ that had limited its use since STS-120. STS-126 launched on 14 November 2008 at 19:55:39 pm EST from Launch Pad 39A at NASA's Kennedy Space Center with no delays or issues. Endeavour successfully docked with the station on 16 November. After spending 11 days, 16 hours, and 46 minutes docked to the station, during which the crew performed four spacewalks, and transferred cargo, the orbiter undocked on 28 November 2008. Due to poor weather at Kennedy Space Center, Endeavour landed at Edwards Air Force Base on 30 November 2008 at 21:25 UTC.
context_section_description: STS-126 was a Space Shuttle mission to the International Space Station (ISS) flown by Space Shuttle  Endeavour. The purpose of the mission, referred to as ULF2 by the ISS program, was to deliver equipment and supplies to the station, to service the Solar Alpha Rotary Joints (SARJ), and repair the problem in the starboard SARJ that had limited its use since STS-120. STS-126 launched on 14 November 2008 at 19:55:39 pm EST from Launch Pad 39A at NASA's Kennedy Space Center with no delays or issues. Endeavour successfully docked with the station on 16 November. After spending 11 days, 16 hours, and 46 minutes docked to the station, during which the crew performed four spacewalks, and transferred cargo, the orbiter undocked on 28 November 2008. Due to poor weather at Kennedy Space Center, Endeavour landed at Edwards Air Force Base on 30 November 2008 at 21:25 UTC (13:25 PST).
caption: Bowen atop the S1 truss, en route to repair a faulty SARJ joint during the mission's first EVA
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