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 EC-121D Constellation > National Museum of the United States Air Force™ > Display
YF-12 Blackbird - NASA
Lockheed YF-12A > National Museum of the United States Air Force™ > Display
Detailed tour around the Lockheed YF-12! The fighter version of the SR-71 Blackbird.
Pratt & Whitney J58 Turbojet > National Museum of the United States Air Force™ > Display
Lockheed EC-121D Constellation > National Museum of the United
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Lockheed YF-12A : Lockheed / Lockheed Martin
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Lockheed YF-12
YF-12 Blackbird - NASA
Lockheed D-21B > National Museum of the United States Air Force™ > Display
Northrop YF-5A Freedom Fighter National Museum Of The, 56% OFF
Lockheed YF-12A - USA - Air Force, Aviation Photo #0538901
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