Update 12:32 p.m.: SpaceX's launch webcast is now posted above, right below our countdown clock. Liftoff is scheduled in six minutes from Cape Canaveral Space Force Station. KSC Visitor Complex spectators ready for SpaceX launch Update 12:25 p.m.: Kennedy Space Center Visitor Complex officials have opened SpaceX launch viewing areas at the Apollo/Saturn V Center (about 6.2 miles from the pad) and the Atlantis North Lawn (about 6.7 miles from the pad. SpaceX booster to land on drone ship Update 12:18 p.m.: Today's mission will mark the Falcon 9 first-stage booster’s fourth flight, SpaceX reported. This booster previously launched the SES O3b mPOWER-E, Crew-10 and Bandwagon-3 missions. Following stage separation, crews expect the booster to land on the SpaceX drone ship A Shortfall of Gravitas in the Atlantic Ocean 8 minutes, 13 seconds after liftoff. SpaceX Falcon 9 fueling is now underway Update 12:10 p.m.: Falcon 9 fueling procedures are now underway at Launch Complex 40, as evidenced by a frost ring forming on the rocket's exterior. That means the Starlink mission countdown is locked in to lift off at 12:38 p.m. without any delays, or else today's launch must be postponed to a later date. SpaceX's last daytime rocket launch? March 31