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 ...

Lockheed’s hypersonic successor to the legendary SR-71 Blackbird. Is this cutting-edge aircraft already flying under a veil ...

Designed to be the hypersonic successor to the iconic Blackbird, the SR-72 “Darkstar” is allegedly under development by ...