Tranche 1 Tracking Layer D
Liftoff Time
No Earlier Than 4th Quarter, 2026
Watch Livestream
Not Yet Available
Mission Details
Tranche 1 Tracking Layer D
(T1TR-D)
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.
Operator: Space Development Agency
Polar Orbit
Rocket
Agency
SpaceXPrice
$74.00 million
Rocket
Diameter: 3.7m
Height: 70m
Payload to Orbit
LEO: 22,800 kg
GTO: 8,300 kg
Liftoff Thrust
7,607 Kilonewtons
Fairing
Diameter: 5.2m
Height: 13m
Stages
2