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May 9, 2014
(28 Feb. 2011) --- Attired in his Extravehicular Mobility Unit (EMU) spacesuit, NASA astronaut Alvin Drew, STS-133 mission specialist, enters the International Space Station's Quest airlock as the mission's first spacewalk draws to a close. NASA astronaut Michael Barratt, mission specialist, assisted Drew. Photo credit: NASA or National Aeronautics and Space Administration

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