gSailors assigned to a naval base under the PLA Northern Theater Command patch simulated ruptured pipes during a damage control operation in the training on danger prevention and lifesaving inside a submarine on October 11, 2021. (eng.chinamil.com.cn/Photo by Wang Qing) 官兵进行损管堵漏训练。10月11日，北部战区海军某基地开展防险救生专项强化操作考核，强化艇员港岸技能训练，提高艇员心理素质和脱险救生能力。（英文中国军网、英文国防部网/王青 摄影报道）