Artillerymen prepare S-300 surface-to-air missile system
Source：Editor：Chen Zhuo2018-08-31
Artillerymen assigned to a surface-to-air missile brigade of the air force under the PLA Northern Theater Command prepare an S-300 air-defense missile system during a training exercise on August 22, 2018. (eng.chinamil.com.cn/Photo by Fu Kaichun, Wang Haijun and Chenlei)
