Naval submarine flotilla conducts combat training exercise

4月19日，北部战区海军某潜艇支队开展作战应用训练。两艘拖船正拖带潜艇驶离码头。（英文中国军网、英文国防部网/时佳龙 摄影报道） Two towboats attached to a submarine flotilla with the navy under the PLA Northern Theater Command jointly tow a submarine off a port during a maritime combat training exercise on April 19, 2022. (eng.chinamil.com.cn/Photo by Shi Jialong)