Learn languages naturally with fresh, real content!

tap to translate recording

Explore By Region

flag Cold War-era U.S. fighter projects, including the XF-91 and F-20, were canceled due to policy shifts and politics, though some tech influenced later jets.

flag The Cold War drove the creation of advanced military aircraft like the Republic XF-91 Thunderceptor, the first U.S. fighter to exceed Mach 1 in level flight using jet and rocket propulsion, and the Northrop F-20 Tigershark, a cost-effective export fighter canceled due to changed policies and political opposition. flag The Crusader III, an advanced F8U variant with high-speed capabilities and enhanced firepower, was also canceled despite its combat potential. flag Other experimental designs explored mixed propulsion, while some technologies from these projects influenced later international fighters.

3 Articles