Yongfeng-class gunboat
…the Republic of China Navy (ROCN) for a decade. The political fragmentation of the Warlord Era following Yuan's death extended to the navy. Admiral Cheng Biguang, commander-in-chief of the navy, defected with part of the fleet to Sun Yat-sen in Guangzhou; the fleet was joined by Yongfeng and Yongxiang. In 1922…