The Missile Defense Agency is doubling the size of its Discriminating Space Sensor prototype demonstration and reframing the experimental program as an interim defensive capability against ballistic and advanced missile threats. The agency now plans to launch two DSS prototype satellites in 2029, up from a single satellite projected just a year ago, with on-orbit demonstrations to follow, according to MDA budget documents and a senior military official. “MDA will launch two DSS prototype satellites in 2029, followed by on-orbit...