Jason 3 Mission Science Briefing

SpaceX’s Falcon 9 rocket and Crew Dragon Endeavour spacecraft rolled out to pad 39A at NASA’s Kennedy Space Center on Friday. Hydraulics raised the 215-foot-tall rocket vertical on the historic launch pad in preparation for liftoff with four astronauts heading for the International Space Station.

Track the major milestones of Monday’s launch of a Falcon 9 rocket from Cape Canaveral with a Dragon cargo craft heading for the International Space Station.

The launch of SpaceX’s next resupply mission to the International Space Station has been rescheduled for no earlier than Dec. 19 to make sure the Falcon 9 rocket and Dragon supply ship are ready for flight.