A Soyuz-2.1a rocket stands on its launch pad at the Baikonur Cosmodrome in Kazakhstan. The Soyuz will launch with the Progress MS-18 supply ship for the International Space Station. Credit: Roscosmos
A Soyuz rocket is ready to boost Russia’s Progress MS-18 supply ship into orbit Wednesday from the Baikonur Cosmodrome in Kazakhstan, setting course for a two-day chase of the International Space Station.