Gimpo International Airport Other UN units based at Gimpo (Kimpo) included: On 21 September 1953 North Korean pilot No Kum-Sok defected in his MiG-15 landing at Gimpo. In 1958, the airport was redesignated as the Gimpo international airport of Seoul by a presidential decree, completely replacing the existing Yeouido Airport. Following the construction of Gimpo, Yeouido Airport was totally demolished. It soon became the main airport of Seoul and South Korea in general. In 1971, a new combined domestic and international terminal was opened. However, following the opening of Terminal 1 in 1977, the original terminal was converted to domestic flights only. Later,
Gimpo International Airport from Kaihwasan and Yangchan, several miles from the base. Then known as Keijo New Airfield (京城新飛行場) in Japanese parlance, Kimpo was constructed with four runways to supplement the much smaller Keijo Airfield (京城飛行場), which was later known as Yeouido Airport. Gimpo played a major role during the Korean War, and the USAF designated the airfield as Kimpo Air Base or K-14. North Korean forces attacked South Korea on 25 June 1950 starting the Korean War. During one of the first Korean People's Air Force (KPAF) attacks on 25 June a Military Air Transport Service C-54 Skymaster was destroyed on the