60 Seconds To Liftoff

Added: 2026-05-22

[00:00:00]In the final 60 seconds as we hear the call that the Falcon 9 is entering into its automated startup. Control of the countdown is handed over from the ground sequencer to the Falcon 9's onboard flight computers and the propellant tanks are brought up to flight pressure.

[00:00:13]SpaceX launch director will confirm the go for launch status at T-45 seconds.

[00:00:18]Again, assuming that they are in fact go for launch, of course.

[00:00:23]The engine ignition command will be granted at T-3 seconds. If all nine Merlin engines are healthy and ignite as expected, the command will be given for the hold down clamps to release the Falcon 9 rocket for a T0 departure time.