August 20, 2017

Live coverage: Proton rocket blasts off on lengthy 15-hour mission

Live coverage of the countdown and launch of a Proton rocket with the Intelsat 31/DLA-2 communications satellite. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.

Live video from ILS begins at 0645 GMT (2:45 a.m. EDT).

Do NOT follow this link or you will be banned from the site!