New plane uses super speed to combat 21st century threats

Lockheed Martin’s Advanced Development Programs division revealed to Aviation Week last week plans for a hypersonic spy aircraft that could reach speeds up to six times the speed of sound. The hypersonic intelligence, surveillance, reconnaissance (ISR) aircraft, known as the SR-72, is twice as fast as its predecessor, the SR-71 Blackbird. It can penetrate high altitudes, allowing the SR-72 to survive where other advanced aircraft and unmanned vehicles may not.

See the full article at worldmag.com