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Mach 2.18 and still rejected: The F-107A Ultra Sabre

North American’s F-107A began as an advanced Mach 2 tactical fighter and nuclear-capable strike aircraft derived from the ...
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The Truly Bizarre Humpback F-107A Ultra Sabre

In the early 1950s, North American Aviation used the airframe of its successful F100 Super Sabre to build a prototype for a US Air Force all-weather fighter-bomber competition. The result was the ...