Shown in this 2006 photo are two of the most popular artifacts at the Steven F. Udvar-Hazy Center: the Lockheed SR-71 Blackbird (foreground) in the Boeing Aviation Hangar and Space Shuttle Enterprise (background) in the James S. McDonnell Space Hangar. Enterprise was replaced by Space Shuttle Discovery in 2012.
Image Number: SI2006-2744
Credit: Image by Dane Penland, Smithsonian Institution
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