A cluster of attack helicopters attached to an army aviation brigade under the PLA 72nd Group Army fly at an ultra-low altitude during a flight training exercise on March 11, 2020, The training focused on such subjects as emergency scrambling, evasive tactics and defense penetration, precision attack, etc. to hone troops’ real-combat capability. (eng.chinamil.com.cn/Photo by Sun Mingjian)
Source：China Military Online
