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 ground at Gimpo. On 27 June US naval and air forces began evacuating 748 US diplomats, military dependents, and civilians by air transport from Kimpo and Suwon Airfield. On the afternoon of 27 June five F-82 Twin Mustangs of the 68th Fighter Squadron and 339th Fighter Squadron were escorting four C-54 Skymaster aircraft out of Kimpo when the C-54s were attacked by five KPAF Lavochkin La-7 fighters. In the subsequent dogfights three LA-7s were shot down for the loss of no US aircraft in the first air battle of the war. Later that day four F-80Cs of the 35th Fighter-Bomber