Space shuttle Discovery lands at final home
Space Shuttle Discovery
Credit: Getty Images
CHANTILLY, VA - APRIL 17: In this handout provided by NASA, space shuttle Discovery is tethered to the back of NASA 905 Shuttle Carrier Aircraft (SCA), a modified Boeing 747 jumbo jet, lands on the runway at Washington Dulles International Airport April 17, 2012 in Chantilly, Virginia. The oldest and most traveled vehicle in NASA's space shuttle program, Discovery will be placed on permanent display at the Smithsonian National Air and Space Museum Steven F. Udvar-Hazy Center. (Photo by Paul E. Alers/NASA via Getty Images)
