Falcon 9 lofted Space Systems Command's classified USSF-259 payload from Vandenberg SLC-4E into polar LEO on a southbound ~80-degree path, the third NSSL Phase 3 Lane 1 mission in a month. After a one-day scrub, booster B1097 completed its 13th flight and landed on Of Course I Still Love You.
- Outcome
- Success
- Orbit
- PO
- Polar orbit
- Payload to orbit
- 16 T (est.)
- Flight
- 631st
- of 638 Falcon 9 Block 5 flights
- Date and time
- 17 September 2026, 01:07 UTC
- Rocket
- Falcon 9 Block 5
- Builder
- SpaceX
- Launch site
- Space Launch Complex 4E, Vandenberg SFB, CA, USA
- Payload
- Government/Top Secret
- International designator
- 2026-214
- Launches in 2026
- 224th of 243
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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