Live coverage of the countdown and launch of the U.S. Navy’s third Mobile User Objective System (MUOS) communications satellite on a United Launch Alliance Atlas 5 rocket. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
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H-2A
Live coverage: Japan’s H-2A rocket blasts off on first commercial flight
After a brief delay to chase away a boat from offshore waters, Japan’s H-2A rocket launched at 0650 GMT (1:50 a.m. EST) with the Telstar 12 Vantage telecom satellite. The launch from marks the first flight of an H-2A rocket with an upgraded upper stage, and the launcher’s first dedicated commercial mission.

Mission Reports