Blazing Beyond Mach 2: Inside the World’s Fastest Fighter Jets and the Hypersonic Race
SR-71 Blackbird set the official world speed record for air-breathing crewed aircraft at 2,193 mph (Mach 3.3) in 1976. In 1965, a Lockheed YF-12A interceptor achieved 2,070 mph (Mach 3.17), a world