Korea Aerospace Industries (KAI) will be export prime the practice jet T-50 Golden Eagle to Indonesia. South Korea became the sixth country in the world to export the supersonic jets after the U.S., Russia, Britain, France and Sweden. Project to develop T-50 supersonic is start on 2005 with the Lockheed Martin technology from USA. Korea will export 16 T-50 to Indonesia with the total US$ 400 juta or Rp 3,4 trillion. Indonesia plan to substitute the old jet Hawk Mk-53 Airforce armed. This supersonic jet also will be developed as the fighter version.