The guided-missile frigate Liupanshui (Hull 514) attached to a frigate flotilla with the navy under the PLA Southern Theater Command steams in formation with the guided-missile frigate Qujing (Hull 508) in waters of the South China Sea during a 4-day maritime training exercise on subjects including warship guns’ firing practice at sea targets, close-in weapons systems’ firing practice at aerial targets, jamming shells’ firing practice, air-defense formation operation and so on, from August 8 to 11, 2019. (eng.chinamil.com.cn/Photo by Liang Zhangming and Cai Shengqiu)