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The Insane Engineering of the SR-71 Blackbird

The Lockheed SR-71 "Blackbird" is a long-range, high-altitude, Mach 3+ strategic reconnaissance aircraft developed and manufactured by the American aerospace company Lockheed Corporation.[N 1] It was operated by the United States Air Force (USAF) and NASA.

2020-04-18 19:00:00 - Real Engineering

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