Chamitoff during EVA 1

ISS027-E-035215 (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 NASA 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.