A ship-borne attack helicopter attached to a frigate flotilla with the navy under the PLA Northern Theater Command prepares to land at the flight deck of the guided-missile frigate Huangshi (Hull 502) during a three-day maritime training exercise from January 8 to 10, 2019. (eng.chinamil.com.cn/Photo by Wang Guangjie and Li Wenlu)
Source：China Military Online
