A worker checks the progress of the payload bay doors on shuttle Discovery, which contains the integrated truss structure S6 and solar arrays for the STS-119 mission to the International Space Station. Credit: NASA/Dimitri Gerondidakis
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A worker checks the progress of the payload bay doors on shuttle Discovery, which contains the integrated truss structure S6 and solar arrays for the STS-119 mission to the International Space Station. Credit: NASA/Dimitri Gerondidakis |
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