In 1990, with the advancement of technology it is developing unmanned aircraft to a smaller size. It made the air force is interest in UAVs more increasing. The unmanned aircraft that can be used as a weapon to fight. It also helps to reduce the risk and the loss of the pilot, reduce production budget. The system is not very sophisticated, smaller detection difficult and high flexibility during the flight not depending on the pilot's fatigue. Because it used the remote control or the external pilot. So the unmanned aircraft has been developed to be more modern and more variety in missions