NASA's 2004 class of astronaut class stands in an empty mockup of the space agency's Orion Crew Exploration vehicle, which is not due to make its manned flight debut until 2015. Credit: NASA.
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NASA's 2004 class of astronaut class stands in an empty mockup of the space agency's Orion Crew Exploration vehicle, which is not due to make its manned flight debut until 2015. Credit: NASA. |
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