On May 30, 2016 at 03:17 UTC the “Long March – 4B” (“Changzheng-4B”) rocket-carrier was launched from the Taiyuan Satellite Launch Center in north China's Shanxi Province. The rocket orbited the Ziyuan 3” (№2) a civilian Earth imaging craft to be operated by China’s Satellite Surveying and Mapping Application Center, and two microsatellites owned by Satellogic, a Buenos Aires company aiming to field a network of at least six Earth observation birds by the end of this year.