SR72 hypersonic spy drone could be flying by 2030
The SR-72 will travel at six times the speed of sound—the fastest military jet ever made—and fly as high as 80,000 feet. The SR-72,will evade assault, take spy photos, and attack targets at speeds of up to Mach 6. That’s twice as fast as its predecessor. Aeronautical engineers at Lockheed Martin and Aerojet Rocketdyne have …