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JSC2009-E-226225

May 23, 2014
(28 Oct. 2009) --- Attired in a training version of his Extravehicular Mobility Unit (EMU) spacesuit, astronaut Doug Wheelock, Expedition 24 flight engineer and Expedition 25 commander, awaits the start of a spacewalk training session in the waters of the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center.


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