USSF-266
Falcon 9 Block 5 · SpaceX · Space Launch Complex 4E
Overview
Go for launch
SpaceX says the launch can go ahead on Monday, 23 November 2026, 16:04 UTC. Even with a go, the time can still move by minutes or hours for weather, technical checks or other traffic at the range.
Your local time:
Next: the countdown, fuelling, a final go or no-go, then liftoff.
- Rocket
- Falcon 9 Block 5
- Provider
- SpaceX
- Launch pad
- Space Launch Complex 4E
- Location
- Vandenberg SFB, CA, USA
- Launch time
- Mon 23 Nov 2026, 16:04 UTC
- Launch window
- Mon 23 Nov 2026, 16:04 UTC to Mon 23 Nov 2026, 20:04 UTC
- Mission type
- Government/Top Secret
- Orbit
- Polar Orbit
Live updates
Nothing yet. We add a short note here at each step: holds, fuelling, the final go or no-go, liftoff and the result. Our reports and news posts about this launch appear here too, each on its own page.
Written by the Space Mushroom team. Times are in UTC.
Discussion
The discussion for this launch opens a little before liftoff. Until then you can talk about launches in the community.
Rockets and launchesMission
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.
Description from the launch provider, passed on by Launch Library, The Space Devs.
Rocket
Falcon 9 is a two-stage rocket designed and manufactured by SpaceX for the reliable and safe transport of satellites and the Dragon spacecraft into orbit. The Block 5 variant is the fifth major interval aimed at improving upon the ability for rapid reusability.
Launch site
Space Launch Complex 4 East (SLC-4E) is a launch site at Vandenberg Space Force Base, California, U.S. The pad was previously used by Atlas and Titan rockets between 1963 and 2005. The pad was built for use by Atlas-Agena rockets, but was later rebuilt to handle Titan rockets.
Space Launch Complex 4E · Vandenberg SFB, CA, USA