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JSC2010-E-013468
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JSC2010-E-013468

May 23, 2014
(20 Jan. 2010) --- NASA astronauts Tracy Caldwell Dyson, Expedition 23/24 flight engineer; and Doug Wheelock, Expedition 24 flight engineer and Expedition 25 commander, participate in a training session in an International Space Station mock-up/trainer in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center.


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