Vehicle: VulcanCredit: United Launch Alliance · Launch Library 2
Tranche 1 Tracking Layer E 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.
- Target orbit
- PO · Polar Orbit
- Mission type
- Government/Top Secret
- Payload
- SDA Tranche 1 Tracking Layer E
- Agencies
- Space Development Agency
Mission Update
Launch vehicle swap with SDA Tranche 1 Tracking Layer D.


