Summary and Key Points: For decades, rumors claimed the U.S. had secretly built the SR-91 Aurora — a hypersonic spy plane flying at Mach 5 to replace the SR-71 Blackbird. -The legend was fueled by a ...
The A-12 existed because advances in missile technology had made the U-2 Dragon Lady vulnerable. Pilot Francis Gary Powers was shot down over the Soviet Union in 1960, highlighting the platform’s ...