Summary: Among aviation enthusiasts, Northrop Grumman’s YF-23 has achieved legendary status due to its performance and the fact that only two prototypes were built before the program was discontinued.

Lockheed wins a 'flyoff' to build a new fighter plane. But is it needed? Across the defense industry, the only sound was the discreet click of fingernails being bitten. The declaring the winner of a ...

The Pentagon funded the YF-22 over the cheaper YF-23 when they knew it was a far more problematic warplane—purely out of a ...

Summary: In the 1980s, the U.S. Air Force sought to replace the F-15 with a new fighter jet, spurring a competition between the YF-23 and YF-22. Northrop Grumman's YF-23, known for its stealth and ...

As the Cold War climaxed in the 1980s, the U.S. was engaged in an arms race with a hollowed-out Soviet Union. Despite having recently fielded fourth-generation fighters like the F-14, F-15, F-16, and ...

The Lockheed YF-22 and Northrop YF-23 both met U.S. Air Force requirements for the Advanced Tactical Fighter. Credit: U.S. Air Force Military aircraft competitions are decided by more than just design ...