Space shuttle Discovery blasts into history
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Credit: Getty Images
ARLINGTON, VA - APRIL 17: People on a roof top watch as the space shuttle Discovery rides atop a Boeing 747 as it flies past Washington, on April 17, 2012 in Arlington, Virginia. The retired shuttle was traveling to the Smithsonian's Air and Space Museum's Udvar-Hazy Center in Chantilly, Virginia, where is will go on display. This photograph was taken at the Top of the Town in Arlington, Virginia. (Photo by Mark Wilson/Getty Images)
