In this episode, we follow DARPA’s Falcon HTV-2 - a hypersonic glide vehicle built to prove whether Mach 20 flight could deliver a strike anywhere on Earth in under an hour. We track the two public ...

DARPA will launch the second flight test of an unmanned hypersonic glider Thursday (Aug. 11) to test technologies needed for a new global strike bomber concept designed to fly 20 times the speed of ...