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September 13, 2012
201107060002hq (6 July 2011) --- A tour bus drives by a launch countdown sign inside the NASA Kennedy Space Center on July 6, 2011. The space shuttle Atlantis is set to lift off July 8 on the final flight of the Space Shuttle Program, STS-135, a scheduled 12-day mission to the International Space Station. Photo credit: NASA/Bill Ingalls

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