Shuttle's final salute caps off 30 years of Discovery (51 images)

NASA's Space Shuttle Discovery flew it's final flight on April 17, 2012, soaring over Washington, D.C. on it's way to a permanent installation at Dulles International Airport. After 30 years, NASA ended the space shuttle program last summer.
Updated: April 17, 2012 at 2:01 PM
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Space Shuttle Discovery, riding atop NASA's 747 shuttle carrier aircraft, does a flyby of Dulles International Airport in Chantilly, Virginia on April 17, 2012. Discovery, which ended it's last mission on March 9, 2011, is being put on permanent display at the Smithsonian's National Air and Space MuseumÍs Udvar-Hazy Center in Chantily, Virginia. UPI/Kevin Dietsch
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