JSC2011-E-060756 (29 June 2011) --- NASA astronaut Sandy Magnus, STS-135 mission specialist, participates in a training session with the crew compartment trainer (CCT-2) in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center. Here, she is briefed on the operation of the hatch. Photo credit: NASA
Photographer James Blair - NASA - JSC
Date June 29, 2011