Live coverage: 400th Proton rocket takes off with Russian satellite

A United Launch Alliance Atlas 5 rocket launched at 5:02 p.m. EST (2202 GMT) Thursday from Cape Canaveral with NOAA’s GOES-S weather satellite, the second in a series of upgraded observatories destined to cover the western United States and the Pacific Ocean.

A Russian Proton rocket rolled out to its launch pad at the Baikonur Cosmodrome in Kazakhstan on Friday, riding a specially-built rail car with Europe’s ExoMars mission bound for the red planet.

A United Launch Alliance Atlas 5 rocket powered away from Vandenberg Air Force Base in California tonight to place a classified surveillance satellite into space for the U.S. National Reconnaissance Office. Follow the ascent in our live journal.