You Won’t Believe These Planes Never Made It To Production

Nation: United States

Max Speed: Mach 2

Cost: $12.44 million

Interesting Fact: Designed to evade Soviet fighters by flying at high altitudes and supersonic speeds.

In February 1949, a Generalized Bomber Study was issued by the Air Research and Development Command for the development of a supersonic, long-range bombardment aviation platform.