European Space Agency astronaut Timothy Peake awaits the start of a spacewalk training session.
JSC2013-E-099940 (13 Dec. 2013) — European Space Agency astronaut Timothy Peake, Expedition 45/46 flight engineer, awaits the start of a spacewalk training session in the waters of the Neutral Buoyancy Laboratory (NBL) near NASA’s Johnson Space Center. Peake is wearing a training version of his Extravehicular Mobility Unit (EMU) spacesuit. Photo credit: NASA