The Republic XF-84H Thunderscreech was supposed to be a revolutionary answer to one of the biggest problems of early jets: ...

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 ...

Sonic booms can be loud. Really loud. Commercial aviation was restricted from breaking the sound barrier after a handful of tests in the 1960s showed just how harmful going supersonic could be to ...