United Launch Alliance

GPS IIIF SV04 (USSF-88)

TBD

Vulcan VC2S

T-minus to liftoff

-

00

HOURS

:

00

MINUTES

:

00

SECONDS

2029

StatusTBD

VehicleVulcan VC2S

OrbitMedium Earth Orbit

PadSpace Launch Complex 41

Pre-flight room

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Mission

Fourth Block IIIF GPS satellite

Quick facts

VehicleVulcan VC2S

OrbitMedium Earth Orbit

PadSpace Launch Complex 41

SiteCape Canaveral SFS, FL, USA

WindowMonday December 31 2029, 00:00:00 UTC→Monday December 31 2029, 00:00:00 UTC

Vehicle

FamilyVulcan

All launches

United Launch Alliance

GPS IIIF SV04 (USSF-88)

TBD

Vulcan VC2S

T-minus to liftoff

-

00

HOURS

:

00

MINUTES

:

00

SECONDS

2029

StatusTBD

Scrub riskHIGH

Go37%

VehicleVulcan VC2S

OrbitMedium Earth Orbit

PadSpace Launch Complex 41

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

Explore

Acquiring satellite view…

Trajectory unknown

Space Launch Complex 41

Cape Canaveral SFS, FL, USA

28.583, -80.583

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Mission

Fourth Block IIIF GPS satellite

Q's read

Weather & scrubHIGH risk

Weather Go37%Wind2 m/sGusts4 m/sCloud58%Temp26°C

Limiting rule: No flight within 5 nmi of cloud associated with disturbed weather (moderate+ precip, freezing level penetration).

NWS forecast at 2026-09-07T02:00:00.000Z: 37% PoP · thunderstorms in short forecast

Quick facts

VehicleVulcan VC2S

OrbitMedium Earth Orbit

PadSpace Launch Complex 41

SiteCape Canaveral SFS, FL, USA

WindowMonday December 31 2029, 00:00:00 UTC→Monday December 31 2029, 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 41

Cape Canaveral SFS, FL, USA

28.583, -80.583

Scrub riskHIGH

Go37%

Q's read

Weather & scrubHIGH risk

Weather Go37%Wind2 m/sGusts4 m/sCloud58%Temp26°C

Limiting rule: No flight within 5 nmi of cloud associated with disturbed weather (moderate+ precip, freezing level penetration).

NWS forecast at 2026-09-07T02:00:00.000Z: 37% PoP · thunderstorms in short forecast