JSC2011-E-060757 (29 June 2011) --- NASA astronauts Chris Ferguson (center), STS-135 commander; and Sandy Magnus, mission specialist, participate in a training session with the crew compartment trainer (CCT-2) in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center. The two are being briefed on the operation of the hatch. Photo credit: NASA
Photographer James Blair - NASA - JSC
Date June 29, 2011