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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SpaceX traces engine problem to blocked valve ahead of November crew launch
SpaceX is replacing two engines on the Falcon 9 booster set to launch four astronauts next month on the company’s first operational Crew Dragon flight to the International Space Station, following an investigation that revealed a subcontractor failed to adequately clean out narrow vent ports on multiple engines across the company’s fleet, officials said Wednesday.