A frigate of Chinese navy launches a missile during a military exercise in the water area near south China's Hainan Island and Xisha islands, July 8, 2016. Chinese navy conducted an annual combat drill in the water area near south China's Hainan Island and Xisha islands on Friday.

The Chinese navy conducted a combat drill in waters adjacent to south China's Hainan Island and Xisha Islands on Friday.

The Nanhai Fleet, as well as some forces of the Beihai Fleet and Donghai Fleet, took part in the navy's annual routine military exercise that covered all sorts of combat platforms, including the air arm, submarine, surface vessel and coastal defense force.

The drill focused on air control operations, sea battles and anti-submarine warfare.

Missile frigate Yuncheng launches an anti-ship missile during a military exercise in the water area near south China's Hainan Island and Xisha islands, July 8, 2016. Chinese navy conducted an annual combat drill in the water area near south China's Hainan Island and Xisha islands on Friday.

Missile destroyer Guangzhou launches an air-defense missile during a military exercise in the water area near south China's Hainan Island and Xisha islands, July 8, 2016. Chinese navy conducted an annual combat drill in the water area near south China's Hainan Island and Xisha islands on Friday.