CAPE CANAVERAL, FL - JULY 8: In this handout from National Aeronautics and Space Administration (NASA), The STS-135 crew; Chris Ferguson, commander; Doug Hurley, pilot; Rex Walheim and Sandy Magnus, ... more 
CAPE CANAVERAL, FL - JULY 8: In this handout from National Aeronautics and Space Administration (NASA), The STS-135 crew; Chris Ferguson, commander; Doug Hurley, pilot; Rex Walheim and Sandy Magnus, both mission specialists stop and pose for photographers before boarding the Astrovan that will take them to launch pad 39A for the launch of NASA space shuttle Atlantis at Kennedy Space Center July 8, 2011 in Cape Canaveral, Florida. This is the final launch of the space shuttle program, which began in 1981. Atlantis is on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. (Photo by Bill Ingalls/NASA via Getty Images) less 
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Getty Images | Photo By Bill Ingalls/NASA / Getty Images
Sat, Jul 9, 2011 1:17 PM EDT