Astronauts Piers J. Sellers (left) and Michael E. Fossum, STS-121 mission specialists, discuss mission activities on the middeck of the Space Shuttle Discovery while docked with the International Space Station. Credit: NASA
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Astronauts Piers J. Sellers (left) and Michael E. Fossum, STS-121 mission specialists, discuss mission activities on the middeck of the Space Shuttle Discovery while docked with the International Space Station. Credit: NASA |
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