Jet fighters conduct combat training in southwest China’s Yunnan Province, on May 18, 2013. Since mid-May, seven armed branches together with dozens of combat units from an air force division of the Chengdu Military Region have launched their training in controlling the airspace and attacking, as well as defending, the land under complex electromagnetic circumstances. The training aims to examine their operational capability in terms of defense penetration and shock tactics, as well as their land- and air-strike plus defensive capabilities. [Photo/Xinhua]