STS-135 Crew during prep and insertion into Fixed Base Simulator

JSC2011-E-023118 (2 March 2011) --- NASA astronaut Rex Walheim, STS-135 mission specialist, dons a training version of his shuttle launch and entry suit in preparation for a training session in the fixed-base shuttle mission simulator (SMS) in the Jake Garn Simulation and Training Facility at NASA's Johnson Space Center. Suit technician Daniel Palmer assisted Walheim. Photo credit: NASA or National Aeronautics and Space Administration