A SpaceX Falcon 9 rocket on Sept. 10, 2025, launched 21 satellites for the Space Development Agency's Tranche 1 Transport Layer from Vandenberg Space Force Base, California. Credit: SpaceX WASHINGTON ...
The Space Development Agency (SDA) on May 12 issued a draft solicitation for the first phase of its Tranche 2 Transport Layer, looking for 100 total space vehicles to quickly transfer data on orbit.