On July 04, 2020, at 23:44 UTC (on July 5 at 07:44 Beijing time), the “Long March –2D” (“Changzheng-2D”) rocket-carrier was launched from the Jiuquan Satellite Launch Center in Jiuquan, Gansu Province, the northwest of China. The rocket orbited the “Shiyan-6” satellite to study the environment and conduct related technology experiments.