Lockheed SR-71A Blackbird 61-7972 at the Steven V. Udvar-Hazy Center, Smithsonian NASM Published on March 23, 2012 in 6 March 1990Full resolution (1237 × 590) Next → Lockheed SR-71A Blackbird 61-7972 at the Steven V. Udvar-Hazy Center, Smithsonian NASM