Vulcan | SDA Tranche 1 Tracking Layer D

Vulcan | SDA Tranche 1 Tracking Layer D is expected no earlier than 2026; the exact date hasn't been announced yet.

Tranche 1 Tracking Layer D is one of five missions by the United States Space Force Space Development Agency (SDA) for the Proliferated Warfighter Space Architecture (PWSA) Tranche 1 Tracking Layer constellation, which will provide global indications, warning, tracking, and targeting of advanced missile threats, including hypersonic missile systems.

The PWSA Tracking Layer is designed to detect and track advanced missile threats, including hypersonic weapons, from a proliferated network of satellites.

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