The Northrop/McDonnell Douglas YF-23 was a prototype fighter aircraft designed for the United States Air Force. The YF-23 was a finalist in the U.S. Air Force's Advanced Tactical Fighter competition. Two YF-23s were built and were nicknamed "Black Widow II" and "Gray Ghost", respectively. The YF-23 lost the contest to the Lockheed YF-22, which entered production as the Lockheed Martin F-22 Raptor. #air_force #Aircraft #Airplane #Fighter #Grumman #Jet #Marines #McDonnell_Douglas #Military #PAV #Phantom #Rafale #Tomcat
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