Two towboats attached to a submarine flotilla with the navy under the Chinese PLA Northern Theater Command jointly tow a submarine to bear off a port for a combat training exercise in mid-February, 2025. (eng.chinamil.com.cn/Photo by Zhang Nan) 2月中旬，北部战区海军某潜艇支队组织开展实战化演练。图为潜艇离港。（英文中国军网/张楠 摄）