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September 17, 2013
(16 Nov. 2012) --- NASA astronaut Chris Cassidy, Expedition 35/36 flight engineer, attired in a training version of his Extravehicular Mobility Unit (EMU) spacesuit, is pictured with a crew instructor during final preparations for a spacewalk training session in the waters of the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center. Photo credit: NASA

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