SpaceX is targeting no earlier than Saturday, April 1 for a Falcon 9 launch of the Space Development Agency’s Tranche 0 mission to low-Earth orbit from Space Launch Complex 4E (SLC-4E) at Vandenberg Space Force Base in California. The first stage booster supporting this mission previously launched one Starlink mission. Following stage separation, the first stage will land on Landing Zone 4 (LZ-4) at Vandenberg Space Force Base. The space vehicles launched during this mission will serve a part of SDA’s Pr