Falcon 9 Block 5 | USSF-259

Name: Falcon 9 Block 5 | USSF-259
Start: 2026-09-17T01:07:56Z
End: 2026-09-17T05:00:00Z
Location: Vandenberg SFB, CA, USA

GO FOR LAUNCH

> T-MINUS

DAYS

HRS

MIN

SEC

> MISSION DATA

DATEThursday, September 17, 2026

TIME01:07 AM UTC

PROVIDERSpaceX

ROCKETFalcon 9 Block 5

PADSpace Launch Complex 4E

LOCATIONVandenberg SFB, CA, USA

ORBITPolar Orbit

> MISSION BRIEFING // GOVERNMENT/TOP SECRET

USSF-259 is a classified mission for the United States Space Force. It is possibly a batch of classified LEO satellites based on SpaceX’s Starshield satellite bus, based on locations of ascent rocket stage drop zones being fits with previous SDA Transport Layer launches.

> SCHEDULE & SOURCE

Source-reported status: Go for Launch. Current T-0 confirmed by official or reliable sources.

Launch window: 2026-09-17 01:00:00 UTC — 2026-09-17 05:00:00 UTC.

Dates and windows may change. Passing the scheduled time does not confirm a launch outcome.

Launch data from The Space Devs

Understand launch windows and orbits · Launch provider guide

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