USSF-481
Falcon 9 Block 5. Space Launch Complex 4E, Vandenberg SFB, CA, USA.
Launch Successful
- Recovery
- B1081: Autonomous Spaceport Drone Ship, Of Course I Still Love You, successful
1 Landed
- Your Time
- UTC
- At the Pad
USSF-481
SpaceX
Mission
Government/Top Secret, Polar Orbit
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.
Countdown Sequence
Planned offsets from T-0; confirmations link to their sources
Sequence Ended · Success
- T−00:38:00
GO for Prop Load
Launch director verifies go for propellant load
Planned Time Elapsed
- T−00:35:00
Stage 1 LOX Load
Start of liquid oxygen loading in the first stage
Planned Time Elapsed
- T−00:35:00
Prop Load
Start of propelland loading
Planned Time Elapsed
- T−00:16:00
Stage 2 LOX Load
Start of liquid oxygen loading in the second stage
Planned Time Elapsed
- T−00:07:00
Engine Chill
Start of engine chilling
Planned Time Elapsed
- T−00:01:00
Tank Press
Fuel tanks are pressurized to flight levels
Planned Time Elapsed
- T−00:01:00
Startup
The onboard computer takes control over the countdown and runs last checks
Planned Time Elapsed
- T−00:00:45
GO for Launch
Launch director verifies go for launch
Planned Time Elapsed
- T−00:00:03
Ignition
Start of the engine ignition sequence
Planned Time Elapsed
- T+00:00:00
- T+00:01:07
Max-Q
Maximum dynamic pressure
Planned Time Elapsed
- T+00:02:26
MECO
Cut-off of the main engine
Planned Time Elapsed
- T+00:02:29
Stage 2 Separation
Separation of the second stage from the first
Planned Time Elapsed
- T+00:02:36
SES-1
First start of the second engine
Planned Time Elapsed
- T+00:03:01
Fairing Separation
Separation of the payload fairing
Planned Time Elapsed
- T+00:06:01
Entry Burn Startup
Start of the atmospheric entry burn
Planned Time Elapsed
- T+00:06:24
Entry Burn Shutdown
End of the atmospheric entry burn
Planned Time Elapsed
- T+00:08:00
Stage 1 Landing Burn
Start of the first stage landing burn
Planned Time Elapsed
- T+00:08:09
Stage 1 Landing
Landing of the first stage
Planned Time Elapsed
Schedule History
Every T-0 since tracking began, as precisely as it was known
- First Seen
Slip +13m
Slip +4mCurrent
Change Log
Detected changes and source updates
Launch success.
StatusIn Flight → Success
RecoveryB1081: Autonomous Spaceport Drone Ship, Of Course I Still Love You, successfulLanding successful
WebcastWebcast ended
Liftoff.
StatusGo → In Flight
Unofficial Re-stream by SPACE AFFAIRS has started
WebcastWebcast is live
Now targeting Oct 16 at 00:01 UTC
Slip +4mNow targeting
Now targeting Oct 15 at 23:57 UTC
PrecisionTiming now known to the second
Slip +13mNow targeting
GO for launch.
StatusTBC → Go
Added launch per marine navigation warnings.