Sleek, fast, and futuristic, the XF-12 Rainbow was a reconnaissance aircraft built for high-altitude speed and clarity. Its signature glass nose wasn’t just for show—it was designed for precision ...

The XF-84H was an ambitious project to reverse-engineer a jet-powered F-84 into a prop-driven aircraft capable of achieving near-jet performance. The United States Navy initially had an interest in a ...

Looking more like a flying egg than a jet fighter, the XF-85 was an unusual aircraft concept with an unconventional method of protecting U.S. heavy bombers at the outset of the Cold War. Conceived as ...