Mission details
| Launched | September 17, 2026 at 01:07 UTC |
|---|---|
| Status | Complete (Success) |
| Rocket | Falcon 9 Block 5 |
| Launch pad | Space Launch Complex 4E, Vandenberg SFB, CA |
| Orbit | Polar Orbit |
| Mission type | Government/Top Secret |
| Customer | United States Space Force |
| Booster | B1097, 13th flight (28 days since the last) |
| Landing | Landed: droneship OCISLY |
Times in UTC. Data from SpaceX and Launch Library 2 by The Space Devs, last changed 2026-11-01 02:17 UTC. Launch times move often; check the official page on launch day.
Replay and sources
More launches
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FAQ
USSF-259 questions
When did USSF-259 launch?
SpaceX launched USSF-259 on a Falcon 9 from Space Launch Complex 4E, Vandenberg SFB, CA on September 17, 2026 at 01:07 UTC. Launch Library 2 records it as a success.
Which booster flew USSF-259?
Booster B1097 flew for the 13th time, 28 days after its previous flight, and landed on the droneship OCISLY.
Where can I watch USSF-259 again?
The official SpaceX webcast is linked on this page, under Replay and sources.
Answers as of November 1, 2026.