Lockheed Skunk Works Reveals Mach 6 SR-72
Lockheed Martin’s famed Skunk Works has revealed plans for a new hypersonic spy plane that would be capable of flying at Mach 6, making it the fastest airplane ever and obviating the need for stealth technology because nothing on the planet would be capable of catching it. Designed as a replacement for the super-speedy SR-71 […]