Designed as a replacement for the super-speedy SR-71 Blackbird, Lockheed’s SR-72 unmanned spy plane was revealed in an exclusive cover story in the current issue of Aviation Week. The story ...

the SR-72 would serve as a replacement for the famed SR-71 Blackbird, which was retired by the Air Force back in 1998. In June, Lockheed announced early progress on the program, and now a source ...

Interestingly, a Lockheed SR-72 concept image was released ... studied since the early ’60s for an SR-71 Blackbird replacement. Noteworthy, the shape and operational speed of the U.S. next ...

Lockheed, the original developer of the SR-71, proposed an informally named replacement aircraft, the SR-72. The SR-72 was to be an all-new plane powered by a turbine and a scramjet. It would take ...

The idea of a hypersonic replacement has been kicked around for years, and now Lockheed is working on the SR-72. Unlike its predecessor, the SR-72 will be unmanned, but it will be twice as fast ...

Brad Leland, the Lockheed engineer who has headed the seven-year research effort, said the new aircraft, dubbed the SR-72, was designed using off-the-shelf materials to keep it affordable in the ...

the SR-72 would serve as a replacement for the famed SR-71 Blackbird, which was retired by the Air Force back in 1998. The SR-71 Blackbird could fly at 2200 mph (over 3 times the speed of sound).

Lockheed Martin Skunk Works and Aerojet Rocketdyne have made a breakthrough in hypersonic propulsion technology, but the Mach 6.0-capable SR-72 remains more of aspiration than a real airplane.

Lockheed Martin's Skunk Works has confirmed that it is developing the SR-72 spy plane. The successor to the SR-71 Blackbird, which was capable of Mach 3.5, the SR-72 will be a hypersonic unmanned ...

Legends of a faster, higher-flying replacement for the SR-71 ... In early November of that year, Lockheed Martin unveiled the SR-72 concept with a media push that included several interviews ...

Lockheed Martin The SR-72 Darkstar as it appears in the film ... new aircraft, the long-awaited replacement for the SR-71 Blackbird. If it really is a Mach 6, or even Mach 10 aircraft, expect ...