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YF-23: Could This Fighter Have Really Replaced the F-22?The first YF-23, nicknamed Black Widow II, was built around two Pratt & Whitney engines that enabled supercruise at Mach 1.43. The Pratt & Whitney engines were swapped out in the second YF-23 ...
National Interest on MSN5mon
YF-23 vs. F-22 Raptor: The Untold Story of the Stealth Fighter ShowdownBoth used turbofan engines. The YF-22 was a little faster at around 1,600 miles per hour, while the YF-23 prototypes had a ...
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