USSF-259
Falcon 9 Block 5 · SpaceX
Wednesday, September 16, 2026 at 1:00 AM UTC
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.
- Launch site
- Space Launch Complex 4E, Vandenberg SFB, CA, USA
- Vehicle
- Falcon 9 Block 5
- Provider
- SpaceX
- Orbit
- PO
- Payload
- USSF-259
- Status
- GO
- Booster
- B1097
- Landing
- Autonomous Spaceport Drone Ship
- Vehicle height
- 70 m
- Liftoff thrust
- 7,607 kN
- Vehicle type flights
- 630
- Vehicle type success rate
- 99.8%
What changed
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