-excerpt- Lockheed Martin has unveiled plans for a hypersonic spy plane that could fly at Mach 6, twice as fast as its famed SR-71 Blackbird, and said a missile demonstrating the new technology could fly as early as 2018.
Could Lockheed Martin Skunk Works’ SR-72 hypersonic concept design fill the Pentagon’s need for a penetrating intelligence, surveillance and reconnaissance (ISR) aircraft? The answer could be yes.
