Space Shuttles Enterprise, left, and Discovery meet nose-to-nose during the a transfer ceremony at the Smithsonian’s National Air and Space Museum Steven F. Udvar-Hazy Center, Thursday, April 19, 2012. (Photo by NASA/Bill Ingalls)

Published April 20, 2012 at 666 × 444 in A very special delivery

Space Shuttles Enterprise, left, and Discovery meet nose-to-nose during the a transfer ceremony at the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center, Thursday, April 19, 2012. (Photo by NASA/Bill Ingalls)

Space Shuttles Enterprise, left, and Discovery meet nose-to-nose during the a transfer ceremony at the Smithsonian’s National Air and Space Museum Steven F. Udvar-Hazy Center, Thursday, April 19, 2012. (Photo by NASA/Bill Ingalls)

Space Shuttles Enterprise, left, and Discovery meet nose-to-nose during the a transfer ceremony at the Smithsonian’s National Air and Space Museum Steven F. Udvar-Hazy Center, Thursday, April 19, 2012. (Photo by NASA/Bill Ingalls)

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