Ready for Launch

[Stephanie Wilson]

The space shuttle Discovery is seen shortly after the Rotating Service Structure was rolled back at launch pad 39A, at the Kennedy Space Center in Cape Canaveral, Florida, on Wednesday, Feb. 23, 2011. Discovery, on its 39th and final flight, will carry the Italian-built Permanent Multipurpose Module, Express Logistics Carrier 4 and Robonaut 2, the first humanoid robot in space, to the International Space Station. Image Credit: NASA/Bill Ingalls

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