Joint Chiefs of Staff (JCS) Chairman Gen. Jin Yong-sung on Wednesday visited an Air Force unit and inspected the aerial defense posture while aboard the indigenous KF-21 fighter jet. Jin visited the 16th Fighter Wing in Yecheon County, some 160 kilometers southeast of Seoul, to inspect the defense posture and commanded a formation flight involving the KF-21 and FA-50 fighter jets, according to the JCS. During a meeting with pilots, Jin urged airmen to maintain a posture and capability to deter the enemy through “overwhelming” air superiority and to immediately respond to contingencies. The JCS chief also visited an Air Force unit tasked with reconnaissance of ballistic missile launches and inspected the operational readiness of the Korea Air and Missile Defense (KAMD) system, calling it a “core asset” of the country’s three-axis deterrence system. The KAMD is designed to detect and intercept incoming ballistic and other missiles in the early stages to minimize damage. The other pillars of the three-axis system comprise the Kill Chain preemptive strike system and the Korea Massive Punishme

