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  • Astronaut Rex Walheim participates in a spacewalk› View High-res
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    S122-E-007864 (11 Feb. 2008) --- Astronaut Rex Walheim, STS-122 mission specialist, participates in the first scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the almost eight-hour spacewalk, Walheim and astronaut Stanley Love (out of frame), mission specialist, installed a grapple fixture on the Columbus laboratory and prepared electrical and data connections on the module while it rested inside Space Shuttle Atlantis' payload bay. The crewmembers also began work to replace a large nitrogen tank used for pressurizing the station's ammonia cooling system.

  • The Columbus laboratory› View High-res
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    S122-E-007870 (11 Feb. 2008) --- In the grasp of the station's robotic Canadarm2, the Columbus laboratory is moved from its stowage position in Space Shuttle Atlantis' (STS-122) payload bay to the starboard side of the Harmony module of the International Space Station.