What You Need to Know: The YF-12 was a high-speed interceptor developed from the A-12, the predecessor of the SR-71 Blackbird. Designed during the Cold War to replace the F-106 Delta Dart, it boasted ...

Here’s What You Need to Remember: The U.S. Air Force’s order for 93 F-12B interceptor fighters was originally placed on hold for three long years, due largely to the ever-climbing costs of the war in ...

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 ...

President Johnson had hardly revealed the existence of Lockheed’s supersonic A11 last February before the plane and its mission were grounded in controversy. Across the U.S., aviation experts argued ...