JSC2010-E-132399 (16 July 2010) --- NASA astronauts Greg Chamitoff (left), STS-134 mission specialist; and Gregory H. Johnson, pilot, pose for a photo during an emergency scenarios training session in the Space Vehicle Mockup Facility at NASA's Johnson Space Center. Photo credit: NASA or National Aeronautics and Space Administration
Photographer MARK SOWA
Date July 16, 2010