Sailors assigned to a submarine flotilla of the navy under the PLA Northern Theater Command hold a ceremony to celebrate the PLA Navy's 74th birthday in a military port on April 23, 2023. (eng.chinamil.com.cn/Photo by Wu Haodong)
4月23日，海军成立纪念日当天，北部战区海军某潜艇支队在某军港隆重举行升国旗仪式，热烈庆祝人民海军成立74周年。吴浩东 摄