JSC2011-E-016874 (11 Feb. 2011) --- NASA astronaut Mark Kelly (right foreground), STS-134 commander, and European Space Agency astronaut Roberto Vittori (left foreground), mission specialist, participate in a simulation exercise in the motion-base shuttle mission simulator in the Jake Garn Simulation and Training Facility at NASA's Johnson Space Center. Photo credit: NASA or National Aeronautics and Space Administration
Photographer BILL STAFFORD
Date February 11, 2011