Falcon 9 Block 5 | SDA Tranche 1 Tracking Layer D

To Be Determined

Launch timeThu, 31 Dec 2026, 00:00 UTC · RocketFalcon 9 Block 5ProviderSpaceX Launch siteSpace Launch Complex 4E, Vandenberg SFB, CA, USATarget orbitPolar Orbit MissionGovernment/Top Secret

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Mission

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.

Launch times can change at short notice – the app always shows the latest.

Updated: 14 Nov 2026, 00:27 UTC · Privacy & legal · Data: The Space Devs, CelesTrak