|05/24/2019 03:31 Stephen Clark|
T-minus 2 hours. Over the next hour or so, SpaceX's launch team will complete final checkouts of the rocket ahead of the start of fueling of the Falcon 9 with super-chilled, densified RP-1 kerosene and liquid oxygen propellants.
SpaceX's launch conductor will verify all members of the launch team are ready to proceed with the final 35-minute automated countdown sequence at 9:52 p.m. EDT (0152 GMT), followed by the start of filling the rocket with super-chilled, densified RP-1 kerosene and liquid oxygen propellants at 9:55 p.m. EDT (0155 GMT).
Liquid oxygen loading into the second stage will begin at T-minus 16 minutes, at 10:14 p.m. EDT (0214 GMT), followed by final chilldown of the rocket's nine Merlin first stage engines, a final pre-flight engine steering check, switching of the rocket to internal power, and pressurization of the Falcon 9's propellant tanks leading up to liftoff.