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.
NASA'S Space Shuttle Discovery departs from inside the Vehicle Assembly Building [VAB] for roll out to Complex 39A for mission STS 133 at the Kennedy Space Center in Florida on September 20,2010. UPI/ Joe Marino-Bill Cantrell
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