August 14, 2012
NASA astronauts Chris Ferguson (kneeling), STS-135 commander; Doug Hurley, pilot; Rex Walheim (left) and Sandy Magnus, both mission specialists, participate in a training session in a space station mock-up in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center. Photo credit: NASA or National Aeronautics and Space Administration
Topics:
Technology Internet, Rex J. Walheim, Space exploration, NASA, Disaster Accident, Douglas G. Hurley, Lyndon B. Johnson Space Center, United States, National Aeronautics and Space Administration
