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 ...
The Northrop/McDonnell Douglas YF-23, a fifth-generation stealth fighter developed in the late 1980s as part of the U.S. Air ...
The Boeing YF-118G "Bird of Prey" was an experimental aircraft developed in the 1990s to test advanced stealth technologies.