NASA astronauts Rex Walheim, right, Sandy Magnus, foreground, both mission specialists, and Doug Hurley, pilot, work on the flight deck as the crew of STS-135 trains in the Fixed Base Simulator at NASA's Johnson Space Center in Houston April 4, 2011.
Information
Taken in
Johnson Space Center
Author
NASA Photo/Houston Chronicle, Smiley N. Pool
Description
NASA astronauts Rex Walheim, right, Sandy Magnus, foreground, both mission specialists, and Doug Hurley, pilot, work on the flight deck as the crew of STS-135 trains in the Fixed Base Simulator at NASA's Johnson Space Center in Houston April 4, 2011.