It is widely known that the SR-71 Blackbird is the fastest air-breathing manned aircraft to ever take to the skies, with the plane able to exceed speeds far beyond Mach 2. The aircraft, which was ...

Lockheed’s engineers built the J58 engine to do the impossible, operate as both a jet and a ramjet. At Mach 3 and 85,000 feet, it pushed the SR-71 through temperatures that melted titanium and tested ...