Tranche 1 Tracking Layer A

Liftoff Time

No Earlier Than 1st Half, 2026

Mission Details

Tranche 1 Tracking Layer A

(T1TR-A)

Wiki

Tranche 1 Tracking Layer A 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

Active
Falcon 9 Block 5

Active Since 2018

SpaceX logo

Agency

SpaceX

Price

$69.75 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

Launch Site

SLC-4E

Vandenberg SFB, California, USA

Fastest Turnaround

2 days 21 hours