Endeavour shuttle astronaut Rick Linnehan, STS-123 mission specialist, participates in the mission's first scheduled STS-123 spacewalk on March 13-14, 2008 at the International Space Station. Credit: NASA
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Endeavour shuttle astronaut Rick Linnehan, STS-123 mission specialist, participates in the mission's first scheduled STS-123 spacewalk on March 13-14, 2008 at the International Space Station. Credit: NASA |
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