The Missile Defense Agency and Space Development Agency prepare to launch six satellites to low-Earth orbit on Feb. 14. The satellites will launch from Space Launch Complex 40 at Cape Canaveral Space utilizing SpaceX’s Falcon 9 rocket. This includes two satellites for MDA’s Hypersonic and Ballistic Tracking Space Sensor (HBTSS) and the final four SDA Tranche 0 (T0) Tracking Layer satellites of its Proliferated Warfighter Space Architecture (PWSA).