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February 21, 2012
S134-E-007560 (20 May 2011) --- NASA astronaut Andrew Feustel, 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, Feustel and astronaut Greg Chamitoff (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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