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

A United Launch Alliance Atlas 5 rocket blasted off from Cape Canaveral at 11:05 p.m. EDT (0305 GMT) tonight to send Orbital ATK’s commercial Cygnus cargo freighter to the International Space Station. Follow the mission in our live journal.

A weather satellite to help civilian and military forecasters track storm systems over Russia’s vast territory launched from the Baikonur Cosmodrome on Friday aboard a Ukrainian-built Zenit rocket, perhaps on its final flight as Russian-Ukrainian relations sour and demand wanes for the 1980s-era launcher.

Japan’s Astro-H mission, an X-ray astronomy observatory designed to shed light on black holes and the unseen structure of the universe, lifted off aboard an H-2A rocket from the Tanegashima Space Center at 0845 GMT (3:45 a.m. EST) Wednesday.