The guided-missile frigate Jiaxing (Hull 521) attached to a frigate flotilla with the navy under the PLA Eastern Theater Command fires its main gun against mock targets during a week-long maritime realistic training exercise in waters of the East China Sea in early April, 2020. (eng.chinamil.com.cn/Photo by Ren Wei)

The guided-missile frigate Jiaxing (Hull 521) attached to a frigate flotilla with the navy under the PLA Eastern Theater Command fires its main gun against mock targets during a week-long maritime realistic training exercise in waters of the East China Sea in early April, 2020. (eng.chinamil.com.cn/Photo by Ren Wei)

The guided-missile frigate Jiaxing (Hull 521) attached to a frigate flotilla with the navy under the PLA Eastern Theater Command fires its main gun against mock targets during a week-long maritime realistic training exercise in waters of the East China Sea in early April, 2020. (eng.chinamil.com.cn/Photo by Ren Wei)