South Korea’s KF-X to Challenge Fighter jets from Boeing, Dassault and Russia Defenseworld.net Team 304 KF-X jet (DAPA image) The KF-X fighter jet rolled-out by South Korea’s Korea Aerospace Industries (KAI) could challenge the best of 4.5 generation jets represented by Dassault Rafale, Boeing F/A-18, F-15EX Eagle II besides the Russian Su-35. In addition, its expected lower sticker price (compared to the Western jets) should make it attractive to potential customers of fighters -in-development such as Turkish TF-X, the Indian Light Combat Aircraft (LCA) and the Pakistani-Chinese JF-17 Block III. On April 9, South Korea’s Korea Aerospace Industries (KAI) drew the curtains to unveil its first home-grown supersonic fighter jet prototype, the KF-X (designated KF-21 and nicknamed