JSC2011-E-040272 (24 March 2011) --- Suit technicians assist the crew of STS-135 in donning their training versions of a shuttle launch and entry suit before they participate in a post-insertion training session in the Full-Fuselage Trainer in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center in Houston March 24, 2011. From left are NASA astronauts Doug Hurley, pilot, along with Sandy Magnus and Rex Walheim, both mission specialists. Photo credit: NASA Photo/Houston Chronicle, Smiley N. Pool