Astronauts Reid Wiseman and Alexander Gerst
Astronauts Reid Wiseman and Alexander Gerst Train for Spacewalk

JSC2012-E-237424 (7 Nov. 2012) -- NASA astronaut Reid Wiseman (foreground) and European Space Agency astronaut Alexander Gerst, both Expedition 40/41 flight engineers, work with extravehicular activity (EVA) equipment during a training session in the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center. Wiseman and Gerst are wearing the liquid cooling and ventilation garments that complement their Extravehicular Mobility Unit (EMU) spacesuits. Photo credit: NASA

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