On March 17, 2018, at 07:10 UTC 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 fourth in a series of high-resolution Earth-imaging satellites. The LKW-4 satellite will expand an orbiting fleet of reconnaissance space vehicles that likely serve for the Chinese military.