The Northrop YF-23 “Black Widow II,” a prototype stealth fighter, competed against the YF-22 in the U.S. Air Force’s Advanced ...

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The YF-23, unofficially dubbed the Black Widow II, ended up losing an intense competition with the YF-22A – the prototype for the current F-22 Raptor – to become the first stealth air ...

The YF-22 and YF-23 in formation. (Image credit: National Museum of the United States Air Force) About the Lockheed Martin F-22 Raptor The ATF (Advanced Tactical Fighter), the program that would ...

The YF-23 Black Window was Northrop's answer to the US Air Force's requirement for an Advanced Tactical Fighter. However, the Lockheed YF-22 won the competition and went on to become the F-22 Raptor.

The YF-23 enjoys a considerable following, with many enthusiasts considering it superior to the F-22 Raptor in terms of stealth capabilities. However, despite its strong support, the US Air Force ...