SDA Tranche 1 Tracking Layer B
Vulcan · United Launch Alliance · Vandenberg SFB
- Launch (UTC)
- Jun 30, 2026, 00:00 UTC
- Outcome
- Scrubbed
- Rocket
- Vulcan
- Provider
- United Launch Alliance
- Site
- Vandenberg SFB, CA, USA
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.