The guided-missile frigate Yichang (Hull 564) maneuvers alongside the frigate Handan (Hull 579) in preparation for a replenishment-at-sea during a 4-day maritime training exercise in waters of the Yellow Sea from March 27 to 30, 2018. They are attached to a destroyer flotilla with the navy under the PLA Northern Theater Command prepare (eng.chinamil.com.cn/Photo by Zhang Hailong)