Sailors drive a small patrol craft to conduct visit, board, search and seizure training aboard the guided-missile frigate Xiangtan (Hull 531) assigned to a destroyer flotilla with the East China Sea Fleet under the PLA Navy during a 5-day live-fire training exercise in waters of the East China Sea from January 10 to 15, 2018. (eng.chinamil.com.cn/Photo by Wen Zidong)