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January 18, 2012
NASA astronauts Steve Bowen (left), Michael Barratt (center) and Alvin Drew, all STS-133 mission specialists, are pictured in the Quest airlock of the International Space Station as they prepare for the start of the mission's first spacewalk. Bowen and Drew are wearing Extravehicular Mobility Unit (EMU) spacesuits. Photo credit: NASA or National Aeronautics and Space Administration

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