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SDA Tranche 2 Transport Layer B

© United Launch Alliance

All launches
United Launch Alliance

SDA Tranche 2 Transport Layer B

TBD

Vulcan
T-minus to liftoff

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00

HOURS

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MINUTES

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SECONDS

2026
StatusTBD
VehicleVulcan
OrbitPolar Orbit
PadSpace Launch Complex 3E
Pre-flight room
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Mission

Classified mission launched by the Space Development Agency (SDA) for Tranche 2 Transport Layer.

Quick facts

VehicleVulcan
OrbitPolar Orbit
PadSpace Launch Complex 3E
SiteVandenberg SFB, CA, USA
WindowThursday December 31 2026, 00:00:00 UTC→Thursday December 31 2026, 00:00:00 UTC

Vehicle

FamilyVulcan
Launch CodexDossier

Every source for this mission in one place — news, social, references, notes & the exact timeline.

Explore
Acquiring satellite view…
Trajectory unknown
Space Launch Complex 3E
Vandenberg SFB, CA, USA
34.640, -120.590
Scrub riskLOW
Go99%
Q

Q's read

Weather & scrubLOW risk
Weather Go99%Wind7 m/sGusts7 m/sCloud80%Temp24°C