 The nationalist naval commander-in-chief Gui Yongqing (桂永清) organized the Wanshan Defense Command, and named nationalist commander-in-chief of the 3rd Fleet Qi Hongzhang (齊鴻章) as the commander, who set up his headquarters on board the frigate "Taihe" (太和), the largest nationalist warship among more than three dozen nationalist naval vessels in the region, and the flagship of the nationalist 3rd Fleet.In response, the communist force decided to take the archipelago and eliminate the threat and crush the nationalist blockade of the mouth of the Pearl River.The communist deputy corps commander Hong Xuezhi (洪学智) was named as the commander of the Riverine Defense Force of the Cantonese Military Region to be in charge of the incoming operation, and the commander of force began to mass at Zhongshan on May 8, 1950 after a joint command headquarters was set up.