While the aircraft's top speed is breakneck, it can only maintain it for an hour before needing to be refueled. The United States Air Force USAF eventually retired the Lockheed SR-71 Blackbird in ...

The SR-71 Blackbird ... When the Blackbird made its maximum speed record, it also broke an absolute altitude record, making ...

NASA released video footage of the SR-71 Blackbird, the high-altitude recon aircraft capable of reaching speeds over Mach 3. More from Military & Defense NASA released video footage of the SR-71 ...

In 2013, Lockheed Martin announced development of the successor to the SR-71 Blackbird spy plane. The SR-71 was capable of reaching speeds over three times the speed of sound, and the SR-72 is ...

With a top speed of Mach 3, a service ceiling of 85,000 feet, and an 11,820-foot-per-minute rate of climb, the SR-71 could fly so fast, and so high, that the supersonic jet was capable of simply ...