"J-15" is the name of the fourth generation fighter in China. Mainly used in navy, air force and marine corps, it has strong maneuverability, double vector engine, plus an auxiliary lift engine, double vertical tail, no canard and tail, and stealth and aerodynamics are well combined. J-15 weapon is embedded, with a combat radius of 2,200 kilometers, advanced cockpit system and active refueling system. The maximum M number of this aircraft reaches 2.5 times the speed of sound, because it is embedded with weapons. On the morning of August 3, 2009, the J-15 fighter successfully made the first flight of its prototype in Shenyang.