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

A Soyuz rocket arrived at a historic launch pad in Kazakhstan on Tuesday, where ground crews lifted the booster vertical to begin final preparations for liftoff Thursday with two Americans and one Russian heading for the International Space Station.

Seven small satellites from Canon Electronics, Planet and In-Space Missions launched from New Zealand on Rocket Lab’s Electron rocket Saturday at 5:19:36 p.m. EDT (2119:36 GMT), but the payloads and launch vehicle were lost after a problem during the second stage burn.

A Russian Soyuz rocket rolled out to a launch pad Monday at the Baikonur Cosmodrome in Kazakhstan, ready for final inspections, checkouts and fueling before liftoff Thursday with a Progress supply ship bound for the International Space Station.