Undated photo shows a Chinese H-6K bomber patrolling islands and reefs including Huangyan Dao in the South China Sea. The People's Liberation Army (PLA) Air Force conducted a combat air patrol in the South China Sea recently, which will become a "regular" practice in the future, said a military spokesperson on July 18, 2016. The PLA sent H-6K bombers and other aircraft including fighters, scouts and tankers to patrol islands and reefs including Huangyan Dao, said Shen Jinke, spokesman for the PLA Air Force. (Xinhua/Liu Rui)
