A fighter plane of Chinese air force takes part in a regular patrol exercise on Dec. 11, 2017. A Chinese air force formation conducted a regular patrol exercise that passed the Bashi Channel and Miyako Strait on Monday, an air force spokesperson confirmed Tuesday. The formation consisted of H-6K bombers, Su-30 and J-11 fighters, reconnaissance aircraft, early warning aircraft and tanker aircraft, said Shen Jinke, spokesman for the Chinese People's Liberation Army (PLA) Air Force, at a meeting of senior air force officers. (Xinhua/Shao Jing)