JSC2013-E-021265 (28 March 2013) — NASA astronaut Rick Mastracchio, Expedition 38/39 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. Mastracchio is wearing a training version of his Extravehicular Mobility Unit (EMU) spacesuit. Photo credit:
JSC2013-E-021265 (28 March 2013) — NASA astronaut Rick Mastracchio, Expedition 38/39 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. Mastracchio is wearing a training version of his Extravehicular Mobility Unit (EMU) spacesuit. Photo credit: NASA