Home2007 Treaties and Agreements ...Korea (07-726.1) – Memorandum of Understanding International Concerning Collected Operating Bases at Gwanju, Gimhae, Suwon, Daegu, and Cheongju Air Bases hide Korea (07-726.1) – Memorandum of Understanding International Concerning Collected Operating Bases at Gwanju, Gimhae, Suwon, Daegu, and Cheongju Air Bases TIAS Office of Treaty Affairs July 26, 2007 Defense: Bases Memorandum of understanding signed July 26, 2007 at Osan Air Base; entered into force July 26, 2007. Download attachment [502 KB] Tags Defense South Korea Treaties