Former astronauts who flew missions on the Space Shuttle Discovery take their places for the welcome ceremony at the Udvar-Hazy Center April 19. (Photo by John Gibbons)

Published April 20, 2012 at 720 × 478 in A very special delivery
Former astronauts who flew missions on the Space Shuttle Discovery take their places for the welcome ceremony at the Udvar-Hazy Center April 19. (Photo by John Gibbons)

Former astronauts who flew missions on the Space Shuttle Discovery take their places for the welcome ceremony at the Udvar-Hazy Center April 19. (Photo by John Gibbons)

Former astronauts who flew missions on the Space Shuttle Discovery take their places for the welcome ceremony at the Udvar-Hazy Center April 19. (Photo by John Gibbons)

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