The supersonic speed of attack by a hidden enemy of research and development of institute of Shenyang aircraft design is invisible unmanned aircraft recently exposure, attack by a hidden enemy is seen in the graph dimension of airframe of unmanned opportunity for combat is close to annihilate 10 opportunity for combat, Before model of attack by a hidden enemy is made public first at was being exhibited in Zhuhai boat 2006, its design bold appearance to cause sensation at that time distinctly. Grind one sword 10 years, code name is " dark sword " invisible and unmanned aircraft appears on supersonic speed eventually. Of dark sword appear on the exceeding anxiety that causes beautiful army, 1900 kilometers supersonic speed mixes scooter when invisible ability makes it can resemble a battleplan, its hit the nightmare that is aircraft carrier completely accurately. Beautiful army thinks: Dark sword can give China a huge advantage, once mass production does not have man-machine this kind, can enlarge its quickly to battleplan forms into columns and do not need to train new air man. Beautiful army bemoans: We can see China thinks those who look to let us only, deadly plane exposure shows China has considered to replace the United States to become the most powerful air force on the world seriously.