Final space shuttle crew training session in the NBL

JSC2011-E-054089 (13 June 2011) --- NASA astronauts Rex Walheim and Sandy Magnus (mostly obscured), both STS-135 mission specialists, attired in training versions of their Extravehicular Mobility Unit (EMU) spacesuits, are raised from the waters of the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center as a spacewalk training session comes to a close. Divers were in the water to assist Magnus and Walheim in their rehearsal. Photo credit: NASA