A submarine attached to a naval submarine flotilla under the Chinese PLA Northern Theater Command sails in a surface position during a combat training exercise on January 6, 2025. (eng.chinamil.com.cn/Photo by Zhang Nan)
1月6日，北部战区海军某潜艇支队赴任务海域开展实战化训练。（英文中国军网/张楠 摄）