Tranche 2 Transport Layer B

Liftoff Time

No Earlier Than September, 2026

Mission Details

Tranche 2 Transport Layer B

Tranche 2 Transport Layer B is a mission by the Space Development Agency for the Tranche 2 Transport Layer.

Polar Orbit

Rocket

Active
Vulcan Centaur

Active Since 2026

United Launch Alliance logo

Agency

ULA

Rocket

Diameter: 5.4m

Fairing

Diameter: 5.4m

Stages

2

Launch Site

SLC-3E

Vandenberg SFB, California, USA

Fastest Turnaround

32 days 16 hours