A warship attached to a frigate flotilla with the navy under the Chinese PLA Southern Theater Command fires smoke projectile during a round-the-clock live-fire training exercise. (eng.chinamil.com.cn/Photo by Zhang Bin)近日，南部战区海军某护卫舰支队组织多艘舰艇组成编队，开展跨昼夜多科目实兵实弹训练。（英文中国军网/张彬 摄）