Tag: Tranche 1 Transport Layer
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New U.S. military satellite constellation takes shape with first launch from Vandenberg SFB
A SpaceX Falcon 9 rocket lifts off from Space Launch Complex 4 East at Vandenberg Space Force Base on Sept. 10, 2025. It carried 21 satellites for the Space Development Agency’s Tranche 1 Transport Layer, part of the larger Proliferated Warfighter Space Architecture, a low Earth orbit satellite constellation. Image: SpaceX The Space Development Agency…
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Launch preview: Space Development Agency, SpaceX to launch next-gen national security satellites
21 satellites manufactured by York Space Systems for Space Development Agency’s upcoming Tranche 1 Transport Layer launch. Image: York Space Systems The first in a series of launches supporting a burgeoning satellite constellation for the Space Development Agency (SDA) is set to take flight Wednesday morning from Vandenberg Space Force Base in California. The SDA…