Live coverage of the countdown and launch of a SpaceX Falcon 9 rocket from Vandenberg Air Force Base in California with 10 Iridium communications satellites. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
SpaceX’s live video coverage begins at approximately 12:20 p.m. EST (9:20 a.m. PST; 1720 GMT).
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Atlas 5 launch on track for Thursday, SpaceX mission expected to slip
A United Launch Alliance Atlas 5 rocket is set to roll to its launch pad Wednesday at Cape Canaveral, a day before liftoff with a new-generation NOAA weather satellite. The launch of a SpaceX Falcon 9 rocket with a Spanish communications satellite is expected to be shuffled after the Atlas 5 flight in a rapid-fire launch sequence at the Florida spaceport this week.