On March 22, 2021 at 06:07 UTC the Russian "Soyuz-2.1a” rocket-carrier equipped with the "Fregat” booster (upper stage) was launched from Baykonur Cosmodrome. The biggest payload of the launch was the South Korean “CAS500-1” Earth observation satellite. Four commercial Earth-imaging satellites from the Japanese company Axelspace and dozens of smaller commercial and research missions were also orbited by the rocket.