Falcon 9 Block 5 | SDA Tranche 1 Transport Layer D

Falcon 9 Block 5 | SDA Tranche 1 Transport Layer D is expected no earlier than 2026; the exact date hasn't been announced yet.

Tranche 1 Transport Layer D is one of six missions by the United States Space Force Space Development Agency (SDA) for the Proliferated Warfighter Space Architecture (PWSA) Tranche 1 Transport Layer constellation, which will provide assured, resilient, low-latency military data and connectivity worldwide to the full range of warfighter platforms from Low Earth Orbit satellites. The constellation will be interconnected with Optical Inter-Satellite Links (OISLs) which have significantly increas

The Proliferated Warfighter Space Architecture uses optical inter-satellite links to connect satellites in orbit, enabling low-latency data relay without relying solely on ground stations.

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