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
1 of 50
The Space Shuttle Discovery, atop a Boeing 747, and trailed by a USAF warplane, makes a pass over the Lincoln Memorial, Washington Monument and US Capitol along The Mall, Washington, DC, as it makes its way to Dulles International Airport, where it will be taken for retirement to the Smithsonian Museum's Udar-Hazy Center, April 17, 2012. UPI/Mike Theiler
| License Photo