Gimpo International Airport 5 January 1951 General Ridgway ordered the evacuation of Seoul and the withdrawal of UN forces to a new defensive line along the 37th parallel. Units based at Gimpo were withdrawn to the south and facilities were destroyed to prevent their use by Chinese and North Korean forces. UN Forces resumed the offensive again in late January 1951 and launched Operation Thunderbolt on 25 January with the aim of pushing Chinese and North Korean forces back north of the Han River. By 10 February 1951, UN forces once again had control of Gimpo. USAF units based at Gimpo (Kimpo) included:
Gimpo International Airport of which the airport used to be a part. On 29 November 2003, scheduled services between Gimpo and Haneda Airport in Tokyo, Japan resumed. Services to Shanghai Hongqiao International Airport resumed on 28 October 2007. Services to Kansai International Airport in Osaka, Japan started on 26 October 2008. Services to Beijing Capital International Airport started on 1 July 2011. Services to Taipei Songshan Airport started on 30 April 2012. The airfield was originally constructed in 1935–1942 during the Japanese Imperial period as an Imperial Army base. The runways were built on a bed of rocks manually hauled by Korean laborers