Mission To ISS Continues For NASA's Final Space Shuttle Flight [Getty Images]

IN SPACE - JULY 12: In this handout image provided by the National Aeronautics and Space Administration (NASA), Earth's horizon and the moon can be seen from the International Space Station July 12, 2011 in space. Space shuttle Atlantis is on the last leg of a 12-day mission to the International Space Station where it delivered the Raffaello multi-purpose logistics module packed with supplies and spare parts. This was the final mission of the space shuttle program, which began on April 12, 1981 with the launch of Colombia. (Photo by NASA via Getty Images)

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