NASA / SCIENCE PHOTO LIBRARY NASA / SCIENCE PHOTO LIBRARY
Final shuttle mission preparation. NASA astronaut Rex Walheim familiarising himself with a camera he will use in space, during the STS-135 Crew Equipment Interface Test (CEIT). The STS-135 mission was the final mission of the Space Shuttle Program, and the final flight of the Space Shuttle Atlantis. Photographed in the Orbiter Processing Facility, Kennedy Space Center, Florida, USA, on 7th April 2011.
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