S120-E-006035 (24 Oct. 2007) --- Astronaut George Zamka, STS-120 pilot, photographed on the flight deck of Space Shuttle Discovery during flight day two activities.
S120-E-006035 (24 Oct. 2007) --- Astronaut George Zamka, STS-120 pilot, photographed on the flight deck of Space Shuttle Discovery during flight day two activities.