Mission Report · Everything Space
Falcon 9 launches USSF-366 from Vandenberg SFB
SpaceX's Falcon 9 Block 5 lifted off from Space Launch Complex 4E at Vandenberg SFB, CA, USA on 16 Aug 2026 01:50:45 UTC. The flight succeeded.
The flight
The window opened at 21:52 UTC and ran 240 minutes. Liftoff came 239 minutes into it.
The first stage, B1088, was making its 18th flight.
It landed on Of Course I Still Love You, 574 km downrange.
The payload was bound for Low Earth Orbit.
The mission
USSF-366 is a classified mission for the United States Space Force. It is possibly a batch of classified LEO satellites for a US government entity based on SpaceX’s Starshield satellite bus, based on locations of rocket stage drop zones being exact fits with previous Starlink Group 15 launches.
Payload description as recorded by Launch Library 2.
By the numbers
SpaceX has now flown 721 launches in total. Its run of consecutive successful launches stands at 206.
It was the 292nd launch from Space Launch Complex 4E.
| Liftoff | 16 Aug 2026 01:50:45 UTC |
|---|---|
| Outcome | Launch Successful |
| Vehicle | Falcon 9 Block 5 |
| Provider | SpaceX |
| Pad | Space Launch Complex 4E |
| Target orbit | Low Earth Orbit |
| First stage | B1088 (flight 18) |
| Recovery | Landed — Of Course I Still Love You |
Written by Everything Space from Launch Library 2’s record of this flight — every figure above comes from that record. Fetched Sat, 22 Aug 2026 21:06:17 GMT.