USSF-366
SpaceX (for the US Space Force) · Falcon 9
At a glance
- Status
- launched
- Provider
- SpaceX (for the US Space Force)
- Vehicle
- Falcon 9
- Window
- 16 August 2026 · 01:50 UTC
- From
- SLC-4E, Vandenberg Space Force Base, California
- Destination
- Not disclosed: SpaceX's mission page states no orbit for the classified payload
- Last verified
- 2026-08-16
Outcome
LAUNCHED — verified against the sources below on 2026-08-16.
The payload
National security payload for the US Space Force, launched successfully on 15 August 2026 at 6:50 p.m. PT (01:50 UTC on 16 August). SpaceX's mission page records the 18th flight of this first-stage booster, which had previously flown NROL-126, Transporter-12, SPHEREx, NROL-57 and 13 Starlink missions, and its landing on the droneship Of Course I Still Love You in the Pacific about eight and a half minutes after liftoff. The payload itself is classified and neither SpaceX nor the Space Force has described it.
Status history
- 14 Aug 2026Added to the board as scheduled from SpaceX's manifest.
- 16 Aug 2026Launched at 01:50 UTC (6:50 p.m. PT on the 15th, US local reckoning); first stage landed on the droneship Of Course I Still Love You. An earlier record here carried the manifest's Eastern clock time in a UTC field; corrected this day.
Related
Sources
- spacex.com · https://www.spacex.com/launches/ussf366
- spacex.com · https://www.spacex.com/launches/