The Pentagon is moving to expand its space-based sensor architecture for missile defense with a new effort to develop the Discriminating Space Sensor (DSS), a next-generation satellite system intended to improve the ability to identify and track incoming warheads amid growing concerns over advanced ballistic and hypersonic missile threats. On April 30, Missile Defense Agency Director Lt. Gen. Heath Collins disclosed for the first time plans for DSS, which he said will be the follow-on to the Hypersonic and Ballistic...
