Manifest / 01Go
Starlink Group 10-39
Falcon 9 Block 5
ProviderSpaceX
PadSpace Launch Complex 40
DateAug 21, 2026
Time (UTC)03:14 PM UTC
Launch clockT– to liftoff
T-:::
Confirmed to the minute00
16
14
16
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SuccessWatch replay
USSF-366
Falcon 9 Block 5SpaceXSpace Launch Complex 4E
Sunday, August 16, 2026 · 01:50 AM UTC
Mission Brief
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.
PayloadUSSF-366
OrbitLow Earth Orbit
CustomerSpaceX
Stages2
PadSpace Launch Complex 4E, Vandenberg SFB, CA, USA
WeatherNo formal weather concerns published, temperature not reported
Mission Timeline
20 / 20100%Ground vector
Launch site
Site locked
Space Launch Complex 4E
Vandenberg SFB, CA, USA
Global range
- Latitude
- 34.632°N
- Longitude
- 120.611°W
Range Weather
Launch commit criteria
90%
GO
FavorableNo active constraints
Weather Rules
No formal weather rule concerns published.
- Primary concern
- None published
- Rule count
- 0
- Temperature
- Not reported
- Surface wind
- Not reported
Window
09:52 PM UTC - 01:52 AM UTC
Provider
SpaceX
Profile →USA • Founded 2002
Space Exploration Technologies Corp., known as SpaceX, is an American aerospace manufacturer and space transport services company headquartered in Hawthorne, California. It was founded in 2002 by entrepreneur E...
Schedule History
Only meaningful launch-time and status changes are shown.
Aug 1601:50 AM
Aug 1601:50 AM
TBD → SuccessSchedule updated
Aug 1601:50 AM
Aug 1601:50 AM
In Flight → TBDSchedule updated
Aug 1601:50 AM
Aug 1601:50 AM
Go → In FlightSchedule updated