Vintage Aviation News on MSN
Flight test files: Lockheed YF-12 – the Mach 3 interceptor that almost was
How the YF-12 set Mach 3 records and powered NASA research that shaped the SR-71 and future supersonic aircraft.
An aircraft unlike any other appeared suddenly on Feb. 29, 1964. President Lyndon Johnson announced the existence of the Lockheed “A-11,” a real aircraft with a purposely fake designation. The ...
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