Live coverage of the countdown and launch of a Proton rocket with the AsiaSat 9 communications satellite. Text updates will appear automatically below. Follow us on Twitter.
Live video from ILS begins at approximately 1830 GMT (2:30 p.m. EDT).
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Russian commander Oleg Kononenko, Canadian co-pilot David Saint-Jacques and NASA flight engineer Anne McClain closed out a 204-day mission in orbit Monday with an undocking from the International Space Station at 7:25 p.m. EDT (2325 GMT), followed by landing in Kazakhstan aboard their Soyuz MS-11 capsule at 10:47 p.m. EDT (0247 GMT Tuesday).