Recent hypersonic missile test set scramjet endurance record, DARPA chief says


A recent flight test of a prototype of the Hypersonic Air-breathing Weapon Concept set an endurance record for scramjet engines, the head of the Defense Advanced Research Projects Agency told lawmakers Wednesday. Hypersonics are a top technology priority for the U.S. military as it seeks to keep pace with China and Russia. “Hypersonic flight at velocities of more than five times the speed of sound offers major strategic advantages, especially…