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S134-E-009310 (20 May 2011) --- NASA astronaut Greg Chamitoff, STS-134 mission specialist, enters the Quest airlock of the International Space Station as the mission's first session of extravehicular activity (EVA) draws to a close. During the six-hour, 19-minute spacewalk, Chamitoff and astronaut Andrew Feustel (out of frame) retrieved long-duration materials exposure experiments and installed another, installed a light on one of the station?s rail line handcarts, made preparations for adding ammonia to a cooling loop and installed an antenna for the External Wireless Communication system. Ph…
