Astronaut Chris Hadfield Trains for Spacewalk

JSC2012-E-105501 (25 July 2012) --- Canadian Space Agency astronaut Chris Hadfield, Expedition 34 flight engineer and Expedition 35 commander, attired in a training version of his Extravehicular Mobility Unit (EMU) spacesuit, participates in a spacewalk training session in the waters of the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center. Divers are in the water to assist Hadfield in his rehearsal, which is intended to help prepare him for possible work on the exterior of the International Space Station. Photo credit: NASA