Live coverage of the countdown and launch of a SpaceX Falcon 9 rocket from Vandenberg Air Force Base in California with the Jason 3 ocean altimetry mission. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
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Falcon 9
Falcon 9 rocket test-fired ahead of station cargo launch
SpaceX test-fired a Falcon 9 rocket at Cape Canaveral Friday evening, igniting nine Merlin engines for several seconds while hold-down restraints kept the launcher on the ground. The company also confirmed the rocket is scheduled for takeoff Wednesday on a space station resupply mission, three days later than previously planned.