A Z-9 ship-borne helicopter attached to a frigate flotilla with the South China Sea Fleet of the PLA Navy prepares to land on the flight deck of the guided-missile frigate Luoyang (Hull 527) during a maritime live-fire training exercise in waters of the South China Sea from August 2 to 9, 2018. (eng.chinamil.com.cn/Photo by Zhou Pengfei)
