Space Development Agency Makes Awards for 126 Satellites to Build Tranche 1 Transport Layer

Tranche 1 Transport Layer mesh satellite communications network. (Credit: Northrop Grumman)

With Industry Onboard, National Defense Space Architecture Ready to Take Shape

WASHINGTON (SDA PR) — The Space Development Agency (SDA) today announced the awards of three prototype agreements worth approximately $1.8 billion to establish the foundation for Tranche 1 Transport Layer (T1TL), a mesh network of 126 optically-interconnected space vehicles (SV) that will provide a resilient, low-latency, high-volume data transport communication system, and be ready for launch starting in September 2024. 

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