Gimpo International Airport Squadron shot down four Ilyushin Il-10s for no losses over Gimpo in the USAF's first jet-aircraft victory. Gimpo was captured by the KPA shortly after the capture of Seoul on 28 June 1950. On 29 June eight B-29s of the 19th Bomb Group bombed Gimpo and the Seoul railyards. By July the KPAF were using the base for attacks on UN forces, on 10 July, seven Yak-7s were hidden at Gimpo and used in strikes against UN positions at Cheongju. The next day they surprised and damaged several F-80s in the area. On 15 July the US launched an attack
Gimpo International Airport on Gimpo, destroying two or three of the seven Yak-7s there and damaging the runway. On 5 August 5th Air Force fighters strafed and bombed Gimpo, destroying 9 aircraft and damaging 9 others. Following the Inchon landings on 15 September 1950, the 2nd Battalion 5th Marines was ordered to seize Gimpo on 17 September. Gimpo was defended by a conglomeration of half-trained fighting men and service forces and by the morning of 18 September the Marines had secured the airfield. The airfield was in excellent shape as the North Koreans had not had time to do any major demolition. On