The XF-108 Rapier: Why the World's Fastest Armed Aircraft Was Canceled Before Its First Flight
The North American XF-108 Rapier was a long-range interceptor aircraft designed for the US Air Force in the late 1950s. Engineered to counter the threat of Soviet supersonic bombers, it was designed to reach speeds over Mach 3 and carry advanced air-to-air missiles. Despite its revolutionary design and performance capabilities, the program faced significant challenges. The project was ultimately canceled in 1959 before a single prototype was completed. The primary reasons for its termination were exorbitant development costs and a strategic shift in defense priorities towards intercontinental ballistic missiles, which diminished the perceived threat of high-speed bombers.
Official Source: https://simpleflying.com/why-fastest-armed-aircraft-built-never-entered-service/
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