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iss018e042704

December 15, 2011
ISS018-E-042704 (23 March 2009) --- Astronaut Richard Arnold, STS-119 mission specialist, attired in his Extravehicular Mobility Unit (EMU) spacesuit, gives a "thumbs-up" signal as he prepares for the mission's third scheduled session of extravehicular activity (EVA) in the Quest Airlock of the International Space Station.


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