HR/MIN/SEC EVENT

00:38:00 Launch director checks propellant charge

00:35:00 Loading of RP-1 (rocket kerosene) underway

00:35:00 First stage LOX (liquid oxygen) loading underway

00:16:00 Second stage LOX loading underway

00:07:00 Falcon 9 start of engine cooling prior to launch

00:01:00 Flight computer begins final pre-launch checks

00:01:00 Start of pressurization of the propellant tank at flight pressure

00:00:45 SpaceX Launch Director Launch Check (GO)

00:00:03 Engine ignition sequence command

00:00:00 Falcon 9 takes off