Live coverage of the countdown and launch of a Russian Proton rocket from the Baikonur Cosmodrome with the Nauka science module for the International Space Station. Text updates will appear automatically below. Follow us on Twitter.
NASA TV’s live coverage of the launch begins at 10:30 a.m. EDT (1430 GMT) and is in English. Roscosmos’s live video stream begins at approximately 9:30 a.m. EDT (1330 GMT) and is in Russian.