The Lockheed YF-12 is an American Mach 3+ capable, high-altitude interceptor prototype, developed and manufactured by American aerospace company Lockheed Corporation.

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 …

Aircraft Fokker F.XII, a Dutch airliner Larson F-12 Baby, an American sport biplane Lockheed YF-12, an American prototype interceptor aircraft Republic XF-12 Rainbow, an American …

With the F-108 interceptor program having been cancelled due to budgetary constraints, the U.S. Air Force still required a modern high speed interceptor for which a combat adaptation of the …

Mar 18, 2020 · This combat adaptation of the Blackbird, called the F-12, was set to be equipped by Lockheed Martin with a powerful AN/ASG-18 radar capable of detecting aerial targets over …

Oct 28, 2024 · The YF-12 launched a 0.25-kiloton atomic missile from 75,000 feet at Mach 3.26 in 1965. It was poised for operational production but got canceled. Here's why.

Feb 18, 2025 · 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 …

Nov 13, 2024 · The first YF-12 aircraft took to the skies on August 7th, 1963, and President Lyndon B. Johnson revealed the new prototype interceptor on February 24th, 1964, while also …

Feb 28, 2025 · (Central Intelligence Agency) The YF-12A interceptor is very similar to its A-12 Oxcart and SR-71A Blackbird stablemates. It is a large twin-engine delta wing aircraft, flown …

Jan 19, 2017 · The Lockheed Martin’s Advanced Development Programs (ADP), also known as Skunkworks, proposed an interceptor version of the A-12. It was codenamed YF-12 in the …