South Korea’s first home-grown combat aircraft, the KF-21, still has a “long way to go” competing globally against products from the US, Europe and China, analysts said, as the fighter jet finally rolls out. In March, Korea Aerospace Industries (KAI) officially unveiled the first production unit of the KF-21 Boramae, placing Seoul in an elite group of now eight countries capable of indigenously developing their own advanced supersonic combat aircraft. The roll-out marked the start of mass...