Designed to fly at Mach 6 and beyond, the SR-72 is Lockheed Martin’s next-generation unmanned spy plane—and potential strike weapon—aimed at outpacing enemy defenses with blistering speed. Building on ...

Designed to be the hypersonic successor to the iconic Blackbird, the SR-72 “Darkstar” is allegedly under development by Lockheed Martin’s highly secretive Skunk Works team. The Darkstar was first ...