Space shuttle Discovery blasts into history
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Credit: AFP/Getty Images
Spotters watch US space shuttle Discovery atop NASA's 747 shuttle carrier aircraft early April 16, 2012 as they are backed away from the mate/demate device at Kennedy Space Center, Florida. The 747 with Discovery aboard will be flown to Washington April 17 for display at the National Air and Space museum. AFP PHOTO/Bruce Weaver (Photo credit should read BRUCE WEAVER/AFP/Getty Images)
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