STS-335crew and training team during Payload Egress Training

JSC2010-E-183246 (4 Nov. 2010) --- NASA astronaut Sandy Magnus, STS-135 mission specialist, attired in a training version of her shuttle launch and entry suit, awaits the start of a training session in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center. STS-135 is planned to be the final mission of the space shuttle program. Photo credit: NASA or National Aeronautics and Space Administration