JSC2011-E-058628 (24 June 2011) --- STS-135 crew members participate in a flight data file review in the Flight Operations Facility at NASA?s Johnson Space Center. Pictured from the left are NASA astronauts Chris Ferguson, commander; Doug Hurley, pilot; along with Sandy Magnus and Rex Walheim, both mission specialists. Photo credit: NASA
Photographer MARK SOWA
Date June 24, 2011