Space shuttle Discovery is rolled toward the transfer ceremony at the Steven F. Udvar-Hazy Center Thursday, April 19, 2012 in Chantilly, Va. Discovery will be permanently housed at the Udvar-Hazy Center, part of the Smithsonian Institution’s Air and Space Museum. (Photo by NASA/Carla Cioffi)

Published April 20, 2012 at 800 × 580 in A very special delivery

Space shuttle Discovery is rolled toward the transfer ceremony at the Steven F. Udvar-Hazy Center Thursday, April 19, 2012 in Chantilly, Va. Discovery will be permanently housed at the Udvar-Hazy Center, part of the Smithsonian Institution’s Air and Space Museum. (Photo by NASA/Carla Cioffi)

Space shuttle Discovery is rolled toward the transfer ceremony at the Steven F. Udvar-Hazy Center Thursday, April 19, 2012 in Chantilly, Va. Discovery will be permanently housed at the Udvar-Hazy Center, part of the Smithsonian Institution’s Air and Space Museum. (Photo by NASA/Carla Cioffi)

Space shuttle Discovery is rolled toward the transfer ceremony at the Steven F. Udvar-Hazy Center Thursday, April 19, 2012 in Chantilly, Va. Discovery will be permanently housed at the Udvar-Hazy Center, part of the Smithsonian Institution’s Air and Space Museum. (Photo by NASA/Carla Cioffi)

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