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May 9, 2014
(28 Feb. 2011) --- Attired in their Extravehicular Mobility Unit (EMU) spacesuits, NASA astronauts Alvin Drew and Steve Bowen, both STS-133 mission specialists, prepare to exit the International Space Station's Quest airlock to begin the mission's first spacewalk. European Space Agency astronaut Paolo Nespoli (right), Expedition 26 flight engineer, assisted Drew and Bowen. Photo credit: NASA or National Aeronautics and Space Administration

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