Countdown unavailable for this schedule or status. The reported schedule above remains the reference.
Provider
United Launch Alliance
Vehicle
Vulcan
Launch site / pad
Vandenberg SFB, CA, USA / Space Launch Complex 3E · USA
Destination / orbit
Polar Orbit
Mission overview
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.
