The commander of the Polish Air Force, Brig. Gen. Ireneusz Nowak (present Inspector SP) made a flight on the KF-21 fighter, as reported by the manufacturer, Korea Aerospace Industries (KAI). This device is to be implemented in the Republic of Korea Air Force (ROKAF) in the second half of 2026 and together with the F-35 is to form the core of the South Korean Air Force.