Modern Engineering Marvels on MSN

Stealth vs. Sensors: YF-23 or X-32?

Would a duel between two of America’s most intriguing stealth prototypes be decided before either pilot had even seen the other? The Boeing X-32 and Northrop YF-23 Black Widow II embodied different ...
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 the SR ...