Live coverage of the countdown and launch of an Ariane 5 rocket with the Star One C4 communications satellite and Europe’s MSG 4 weather observatory. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
Related Articles

Mission Reports
ILS declares mission success after Proton launch of AsiaSat 9

Mission Reports
Live coverage: Soyuz rocket launches from French Guiana with weather satellite
Europe’s MetOp-C weather satellite launched aboard a Russian-built Soyuz rocket toward polar orbit Tuesday night from French Guiana, joining an international fleet of meteorological observatories critical for global weather forecasting. Liftoff occurred at 7:47 p.m. EST Tuesday (0047 GMT Wednesday).