Spy plane SR-72 to fly six times the speed of sound (+) Documentary about Lockheed SR-71 Blackbird – RARE!!

Featured Images: English: The SR-71B Blackbird, flown by the Dryden Flight Research Center as NASA 831, slices across the snow-covered southern Sierra Nevada Mountains of California after being refueled by an Air Force tanker during a 1994 flight. SR-71B was the trainer version of the SR-71. Notice the dual cockpit to allow the instructor to fly the airplane. Retired in 1998, it is to be replaced by the the Lockheed Martin SR-72. IMAGE CREDIT: NASA. SOURCE: Wikipedia Commons (Public domain) 

From youtube uploaded by RT America·

Spy plane SR-72 to fly six times the speed of sound

Published on Nov 1, 2013

Defense contractor Lockheed Martin has unveiled a new spy plane. The SR-72 can fly at the hypersonic speed of six times the speed of sound. It is the successor to the SR-71 Blackbird, which could only fly at the supersonic speed of three times the speed of sound. RT’s Sam Sacks has more information on what types of spying the new plane will be used for.

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From youtube uploaded by cavallopazzo87modena

Documentary about Lockheed SR-71 Blackbird – RARE!!

Published on Apr 3, 2013

The Lockheed SR-71 “Blackbird” was an advanced, long-range, Mach 3+ strategic reconnaissance aircraft. It was developed as a black project from the Lockheed A-12 reconnaissance aircraft in the 1960s by Lockheed and its Skunk Works.

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