Attack helicopters hover above sea (2)

Two attack helicopters attached to an army aviation brigade under the PLA Eastern Theater Command fly in alongside formation above the sea at an ultra-low altitude during a flight training exercise on June 9, 2021. The flight training covered the subjects of two-plane formation flight, island defense penetration at low-altitude, maritime assault, etc. (eng.chinamil.com.cn/Photo by Zhang Huanpeng)