The Lockheed YF-12 Interceptor, Explained and What You Need to Know . Developed between the late 1950s and early 1960s by Lockheed and the U.S. Air Force, the YF-12 was a two-seat, ...

Here’s What You Need to Remember: Before the famous SR-71, there was the YF-12, which emerged from Lockheed Martin in the 1960s.During its nine years of existence, the YF-12 had slightly less ...

Lockheed’s A-12 jet celebrates anniversary of first flight. April 27, 2002 12 AM PT . Share via Close extra sharing options. ... Eastham, first flight pilots on the A-12, SR-71, and YF-12 ...

The YF-22 had the edge over the YF-23 and the Air Force prioritized maneuverability for close-range combat. The USAF believed Lockheed had a stronger team, too.

President Lyndon Johnson announced the existence of the Lockheed “A-11,” a real aircraft with a purposely fake designation. 60 Years Ago In Aviation Week - YF-12A | Aviation Week Network ...