NASA astronauts Chris Ferguson (foreground), STS-135 commander; and Rex Walheim, mission specialist, participate in a training session in a space station mock-up in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center.
Information
Taken in
Johnson Space Center
Author
NASA
Description
NASA astronauts Chris Ferguson (foreground), STS-135 commander; and Rex Walheim, mission specialist, participate in a training session in a space station mock-up in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center.