In 1991, the USAF announced that the Lockheed YF-22A won the airframe competition. Northrop ended its ATF program, and the YF-23A on display came to the Museum in 2000.
Northrop-McDonnell Douglas
YF-23A Black Widow II
The YF-23A competed in the late 1980s/early 1990s against the YF-22A in the Advanced Tactical Fighter (ATF) program. The Northrop YF-23A emphasized stealth characteristics. To lessen weight and increase stealth, Northrop decided against using thrust vectoring for aerodynamic control as was used on the Lockheed YF-22A. Northrop built two YF-23A prototypes