The Northrop YF-23 “Black Widow II,” a prototype developed for the US Air Force’s Advanced Tactical Fighter competition in the late 1980s, showcased a radical stealth design with diamond-shaped wings, ...

Two teams competed: Northrop Grumman with the YF-23 and Lockheed Martin with the YF-22, which would become the F-22 Raptor.

It was ta fly-off between the Lockheed YF-22 and Northrop/McDonnell Douglas YF-23 demonstration fighters. The YF-22 won the competition and it became what we know today as the F-22A Raptor.

Brig. Gen. Wickert Shares interesting insights in podcast interview. In a wide-ranging and insightful interview on Episode ...

On September 29, 1990, the YF-22 demonstration aircraft took off for the first time. The YF-22 would become the F-22, a dominant air-superiority stealth fighter for nearly 30 years. Now the F-22's ...

For a short time in the 1990s, the YF-22 that would lead to the operational F-22 may have met its match in the form of Northrop’s YF-23. Either of these highly capable airframes would have ...

Lockheed, who at first proposed a large design derived from the SR-71 and then a prototype inspired by the faceted F-117, finally decided on the YF-22, who in 1986 was selected for the final stage ...

The need for a jet like the F-22 to replace the F-15 was first officially voiced by the Air Force in the early 1980s. But the first flight of the prototype YF-22 didn’t take place until 1990 ...

At first I didn't believe it. The largely forgotten stealth aircraft that competed with, and lost to, the YF-22 to become our next fighter was sitting on an apron just a few miles south of LAX.