Armed helicopters fly to designated waters in a live-fire exercise off China's southeast coast, April 18, 2018. An air unit of the People's Liberation Army (PLA) ground force Wednesday held a live-fire exercise off China's southeast coast. The exercise, which involved the coordination of various types of armed helicopters, was an annual routine arrangement and tested the force's all-weather combat capability. (eng.chinamil.com.cn/Photo by Li Shilong)
