The aircraft packed a pair of Pratt & Whitney YF119-PW-100 engines that gave the YF-23 to supercruise at Mach 1.43 (or about 1,088 miles per hour), meaning that it could maintain that airspeed ...

Interestingly, there were several other competitors also seeking to build the jet, and meet ... Lockheed built the YF-22 and Northrop built the YF-23 stealth fighter. Lockheed won a production ...

Building an operational supersonic jet ... fighter aircraft. Prior to the Vietnam War, most of the legendary planes flown by the U.S. military used prop engines. That changed in 1953 when the YF ...

For a brief shining moment, the U.S. Air Force lay on the verge of flying the fastest, arguably most badass fighter jet of all time. The jet, the YF-12A, was one of several proposed variants in ...

U.S. defense giant Northrop Grumman says it is “very interested” in Japan’s F-3 program to build the nation a new fighter jet, setting up ... between LockMart’s YF-22 and Northrop ...

Photo: USAF Archives On paper and in practice, it looked like Northrop's YF-17 could have been a marvelous jet fighter. One that the Air Force should have been all too happy to accept. But that's ...

Back in 1997, the US Air Force had to choose between the F-22 Raptor and the YF-23 for its fifth-generation fighter ... of infrared missile detection. The jet had a wingspan of nearly 44 feet ...

Why the YF-23 Black Widow Lost to the F-22: A Stealth Fighter Showdown Everything began in the late 1970s. Then, the U.S. Air Force got concerned about a new generation of Soviet surface-to-air ...