PHZ-89 122mm 40-tube self-propelled multiple rocket launchers attached to a brigade under the PLA 74th Group Army fire rockets at mock targets during a live-fire training exercise in northwestern China's Gobi Desert on June 22, 2019. Various types of armored vehicles participated in this round-the-clock coordinated training exercise on subjects including precise shot, point fire, rapid fire, and so on, in order to improve the troops’ continuous strike capabilities. (eng.chinamil.com.cn/Photo by Li Bin)