NASA astronauts participate in a training session in the Jake Garn Simulation and Training Facility at NASA's Johnson Space Center.

NASA astronauts Steve Lindsey (foreground), STS-133 commander; and Eric Boe, pilot, participate in a training session in the fixed-base shuttle mission simulator (SMS) in the Jake Garn Simulation and Training Facility at NASA's Johnson Space Center. Photo credit: NASA or National Aeronautics and Space Administration