August 13, 2012
NASA astronaut Chris Ferguson, STS-135 commander, signs his name on hardware during an ingress/egress timeline training session in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center. Photo credit: NASA
Topics:
Technology Internet, Lyndon B. Johnson Space Center, Astronaut, NASA, James H. Newman, Steven Smith, Spaceflight, National Aeronautics and Space Administration
