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Space Development Agency's Tranche 1 Transport Layer B Launches out of Vandenberg
Space Launch Delta 30
Sept. 10, 2025 | 1:23
A SpaceX Falcon 9 rocket carrying a Space Development Agency Tranche 1 Transport Layer B mission takes flight from Vandenberg Space Force Base, Calif., Sept. 10, 2025. The Tranche 1 launch, delivering 21 space vehicles, is the first generation that will provide persistent regional support to military operations, bringing support to the warfighter from low Earth orbit. (U.S. Space Force video by Senior Airman Kevin Hernandez)
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