Kunsan K-8 Air Base is a United States Air Force base located at Gunsan Airport, on the west coast of the Korean peninsula bordered by the Yellow Sea. It is located in the town of Gunsan, about 180 kilometres south of Seoul. From Wikipedia
Second phase approved to relocate 31 jets and 1,000 airmen from Kunsan to Osan this October, doubling the squadron size to 62 aircraft.