Skunk Works - Page 2

Lockheed Martin SR-72 is Only a Plane on Paper

November 5, 2013 6:56 AM - Updated: November 5, 2013 10:56 AM
Lockheed Martin Skunk Works and Aerojet Rocketdyne have made a breakthrough in hypersonic propulsion technology, but the Mach 6.0-capable SR-72…

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