T-minus
203days
06hrs
39min
09sec
Trajectory & orbital insertion
Ascent path is a representation — true ascent telemetry isn’t public.
Provider
United Launch Alliance
Provider type
Commercial
Orbit
PO
Mission type
Government/Top Secret
Launch site
United States of America
Date
Thu, 31 Dec 2026 00:00:00 GMT
Orbital launch #
#7481 ever
Mission
Tranche 1 Tracking Layer D 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.