When it comes to blistering aerial speeds, fighter jets manufactured by American military contractors like Boeing and Lockheed dominate the skies. While Bell's X-1 "Glamorous Glennis" was the first ...
Lockheed’s A-12 needed a powerplant that could sustain Mach 3 flight, leading to the Pratt and Whitney J58, a turbojet-ramjet hybrid burning JP-7. The engine demanded exotic materials to survive ...