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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.
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.
The Crusader III, an advanced F8U variant with high-speed capabilities and enhanced firepower, was also canceled despite its combat potential.
Other experimental designs explored mixed propulsion, while some technologies from these projects influenced later international fighters.
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Los proyectos de cazas estadounidenses de la era de la Guerra Fría, incluidos el XF-91 y el F-20, fueron cancelados debido a cambios en las políticas y la política, aunque algunas tecnologías influyeron en los aviones posteriores.