ROCS Yung Shun (AM-44) and Yong Xing passed through the Gatun locks, Panama Canal, on 21 April 1946, flying Chinese flags, but still wearing U.S. Navy hull numbers.

The ship was incorporated into the 1st Fleet of Coastal Defense, participated in the civil war, and successively shelled the liberated areas and bombed the 228 incident on the coasts of Shandong, Guangdong and other places, as well as major ports in Hainan Island and Taiwan.

[3] Captain Lu Weiyuan commander of Yong Xing, a graduate of the Qingdao Maritime Academy, was a person trusted by the commander-in-chief of the Navy, Gui Yongqing.

Lin Cheng, a staff member of the CPC Shanghai Bureau's Rebellion Committee, instigated Navigation Officer Chen Wanbang (the 12th Navigation Class of Mawei Sea School) and Quartermaster Zhu Jigang to lead them to organize medical officers, a sergeant, a marine corporal, two telecommunication soldiers, two or three gun and artillery soldiers were planning to join the Chinese Communist Party.

On May 1, 1949, when sailing to Baimaosha outside the mouth of Shihe, Taicang County, Jiangsu Province, Chen Wanbang directed the insurgents to make a sudden action.