Photo: Bill Ingalls · Public domain (US government)

Local

USSF-627

Go for Launch Delayed ×1 SpaceX, Falcon 9 Block 5 Booster B1103, 7th flight

Latest GO for launch.

T−
00Days
00Hours
00Minutes
00Seconds

Watch
USSF-627: the flight path in 3D, from the pad to orbit, seen from space Watch the flight in 3D

About this launch

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 rocket stage drop zones being exact fits with previous Starlink Group 15 launches.

Where to watch

Official Webcast USSF-627 Mission X · English

Questions

When does USSF-627 launch?

USSF-627 is scheduled to launch on 10 Nov 2026 at 03:03 UTC. The launch page shows the time in your own time zone with a countdown.

Where can I watch USSF-627 live?

The launch is streamed live on x.com. NextLiftoff plays the stream on the launch page and shows when it starts.

Where does USSF-627 launch from?

USSF-627 launches from Space Launch Complex 4E at Vandenberg SFB, CA, USA.

What rocket launches USSF-627?

USSF-627 flies on Falcon 9 Block 5, launched by SpaceX.

Will the rocket be recovered?

Booster B1103: lands on the drone ship Of Course I Still Love You (OCISLY).

More about this launch

Timeline19 moments, from the countdown to landing of the first stage
  1. T−00:38:00 Launch director verifies go for propellant load
  2. T−00:35:00 Start of liquid oxygen loading in the first stage
  3. T−00:35:00 Start of propellant loading
  4. T−00:16:00 Start of liquid oxygen loading in the second stage
  5. T−00:07:00 Start of engine chilling
  6. T−00:01:00 Fuel tanks are pressurized to flight levels
  7. T−00:01:00 Startup
  8. T−00:00:45 Launch director verifies go for launch
  9. T−00:00:03 Start of the engine ignition sequence
  10. T+00:00:00 First upwards movement of the rocket
  11. T+00:01:07 Maximum dynamic pressure
  12. T+00:02:26 Cut-off of the main engine
  13. T+00:02:29 Separation of the second stage from the first
  14. T+00:02:36 First start of the second engine
  15. T+00:02:58 Separation of the payload fairing
  16. T+00:06:06 Start of the atmospheric entry burn
  17. T+00:06:30 End of the atmospheric entry burn
  18. T+00:07:52 Start of the first stage landing burn
  19. T+00:08:11 Landing of the first stage

Point at an underlined moment, or tap it, for what it means. All the words of a launch

Flight profileThe climb and the booster's way back, seen from the side · 3D replay on the globe
Weather at the padClear · 18 °C · wind 17 km/h

Forecast for liftoff time, from a six-hour outlook

Clear

Temperature
18 °C · 64 °F
Wind
17 km/h · 10 mph from NW
Cloud cover
2%
Rain
none

General forecast by MET Norway (CC BY 4.0). Each launch range applies its own, stricter weather rules.

Launch window and padSpace Launch Complex 4E · Vandenberg SFB, CA, USA
Window
–
Pad
Space Launch Complex 4E
Site
Vandenberg SFB, CA, USA
Map
Open in Google Maps

The pad: its launches and turnaround records → Everything launching from Vandenberg SFB →

Rocket and boosterFalcon 9 Block 5 · B1103, 7th flight
Vehicle
Falcon 9 Block 5
Reusable
yes
Booster
B1103 · 7th flight
Landing
Of Course I Still Love You

Falcon 9: specs, record and next flights → Booster B1103: every flight → SpaceX: all its launches →

MissionGovernment/Top Secret · Low Earth Orbit · for US Space Force

Government/Top Secret · Low Earth Orbit

Customers: US Space Force

Updates4 · latest: GO for launch.
  • GO for launch. source
  • Now targeting Nov 10 at 03:03 UTC source
  • Moved up to NET November 9 UTC. source
  • Added launch. source
In the news1 article · latest from NASASpaceflight
By the numbers7,434th orbital launch ever · SpaceX's 126th this year
Orbital launch
7,434th ever · 261st of 2026
SpaceX
745th launch · 126th this year
Pad
308th from Space Launch Complex 4E · 70th this year
Pad turnaround
3 days 2 h after its previous launch

Counted as if every launch before this one flies on schedule.

All launch statistics →

Links1 page about this launch

Support NextLiftoff The site has no ads. If it's useful to you, a small tip helps pay for the server.

Suggest something

An idea, something broken, a launch with wrong data? It goes straight to me.

Only what you type and the page you're on are kept, no IP address. See the privacy policy.

Follow & remind

Change the times and more
Follow this flight
Reminders before liftoff
Also notify me of

If the launch moves, your reminders move with it.

No pop-ups? Put it in your calendar · as a Discord message

Follow

Every launch, as soon as it's announced.

Remind me before each launch

Reminders follow each launch when it moves. You can change this any time here or on the Notifications page.