At Mach 6, the SR-72 can cut across radar fields of view so quickly that establishing a continuous track becomes nearly impossible. Looking less like a warplane and more like a sky monster, legendary ...

The SR-75 “Penetrator” is a rumored successor to the SR-71 Blackbird, allegedly capable of Mach 5 speeds and near-space flight. Said to be developed by Lockheed’s Skunk Works under the secretive ...

Traveling over our heads at hypersonic speeds beyond Mach 7, lies the future of spy plane technology. It can be anywhere in the world in one hour, enter any country unnoticed, and be out before their ...