The Advanced Tactical Fighter competition is often remembered as a clean win for the F-22 Raptor, but the losing prototype, ...

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.

Meet the YF-23: During the 1980s, while the Cold War was peaking and the US was fervently investing in weapons technology sufficient to maintain an edge over the Soviets, the US Air Force began ...

Key Points and Summary - Northrop’s YF-23 “Black Widow II” was arguably faster, longer-ranged, and stealthier than the YF-22, but Lockheed’s jet won with superior maneuverability, thrust-vectoring, ...