Tranche 0 satellite launch
A SpaceX Falcon 9 reusable rocket launches from Vandenberg Space Force Base, California, April 2, carrying the Space Development Agency’s initial 10 of 28 Tranche 0 satellites of the Proliferated Warfighter Space Architecture. The Transport and Tracking Layer satellites will demonstrate low-latency communication links to support the warfighter with a resilient network of integrated capabilities, including tracking of advanced missile threats, from low-Earth orbit. (Space X photo)