Live coverage of the countdown and launch of an International Launch Services Proton rocket with the Yamal 401 communications satellite for Gazprom Space Systems. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
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Atlas 5
Live coverage: Atlas 5 countdown and launch journal
Advancing the future of weather forecasting in the U.S., a United Launch Alliance Atlas 5 rocket lifted off from Cape Canaveral at 6:42 p.m. EST (2342 GMT) today to deploy the GOES-R satellite, anext-generation geostationary observatory that promises unprecedented clarity and speed in tracking storms. Follow the ascent in our live journal.
Delta 4
Live coverage: Delta 4-Heavy countdown halted in final seconds
United Launch Alliance scrubbed the launch of a Delta 4-Heavy rocket Wednesday night less than 10 seconds before liftoff from Cape Canaveral, the second such abort suffered by this mission.. The launch of a classified National Reconnaissance Office spy satellite is expected to be delayed at least several more days as engineers assess the cause of Wednesday’s last-minute abort.