A line of wheeled surface-to-air missile systems attached to a unit with the air force under the Chinese PLA Eastern Theater Command maneuvers towards the designated area during a round-the-clock comprehensive training exercise on April 16, 2025. (eng.chinamil.com.cn/Photo by Liang Hongwei) 4月16日，东部战区空军地导某部组织开展综合演练。图为夜间梯队行军。(英文中国军网/梁宏伟 摄)