Lockheed YF-12A > National Museum of the United States Air Force

The YF-12 was developed in the 1960s as a high-altitude, Mach 3 interceptor to defend against supersonic bombers. Based on the A-12 reconnaissance aircraft, the YF-12A became the forerunner of the

Lockheed YF-12 - Wikipedia

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National Museum of the United States Air Force

Lockheed YF-12 - Wikipedia

Lockheed YF-12A > National Museum of the United States Air Force

Today in Aviation History: First Flight of The Lockheed YF-12A

Detailed tour around the Lockheed YF-12! The fighter version of

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Lockheed YF-12A > National Museum of the United States Air Force

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