JSC2010-E-195517 (3 Dec. 2010) --- NASA astronauts Chris Ferguson, STS-135 commander; Rex Walheim (mostly obscured) and Sandy Magnus, both mission specialists, are pictured during an emergency egress 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
Photographer ROBERT MARKOWITZ
Date December 3, 2010