ULA
/
Tranche 1 Tracking Layer B
Liftoff Time
No Earlier Than 2nd Quarter, 2026
Watch Livestream
Not Yet Available
Mission Details
Tranche 1 Tracking Layer B
(T1TR-B)
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.
Operator: Space Development Agency
Polar Orbit
Rocket
