Check Six: SR-71 Blackbird sets speed record – 30 years ago
Today in 1990: On its final flight, our Lockheed #SR71 Blackbird set a new speed record flying from Los Angeles, CA to Washington, DC in 1 hr, 4 min, 20 sec, averaging 3,418 kph (2,124 mph). pic.twitter.com/zMcSav6Anq
— SmithsonianAirSpace (@airandspace) March 6, 2018


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