high res (1.1 M) low res (87 K)
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S134-E-007551 (20 May 2011) --- NASA astronaut Greg Chamitoff, STS-134 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, 19-minute spacewalk, Chamitoff and astronaut Andrew Feustel (out of fame) 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. Photo credit: NASA
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