SDA Tranche 1 Tracking Layer B Mission

Launch Status

TBD

Date & Time

2026

Pad

Space Launch Complex 3E

Launch Service Provider

Vehicle

Mission

SDA Tranche 1 Tracking Layer B

Mission Type

Government/Top Secret

Destination

Polar Orbit

Tranche 1 Tracking Layer B 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.

Last Update: NET 2026.

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