Space shuttle Discovery on permanent public display as the centerpiece of the national collection at the Smithsonian National Air and Space Museum, Steven F. Udvar-Hazy Center. Photo Credit: Mark Usciak

Space shuttle Discovery on permanent public display as the centerpiece of the national collection at the Smithsonian National Air and Space Museum, Steven F. Udvar-Hazy Center. Photo Credit: Mark Usciak

Space shuttle Discovery on permanent public display as the centerpiece of the national collection at the Smithsonian National Air and Space Museum, Steven F. Udvar-Hazy Center. Photo Credit: Mark Usciak

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