
The U.S. Space Force’s Space Development Agency (SDA) on Wednesday posted high-level acquisition guidance for its third tranche of communications and missile tracking satellites slated to be launched into low-Earth orbit in 2028, and the agency also said it is considering a competitive enterprise ground effort. The Tranche 3 satellites will add new capabilities and accelerate the constellation of spacecraft within the agency’s Proliferated Warfighter Space Architecture (PWSA). The planned start of Tranche 3 launches in September 2028 would maintain…