Home2005 Treaties and Agreements ...Korea (05-929) – Memorandum of Understanding International Concerning Reduced Vertical Separation Minimum in the Republic of Korea hide Korea (05-929) – Memorandum of Understanding International Concerning Reduced Vertical Separation Minimum in the Republic of Korea TIAS Office of Treaty Affairs September 29, 2005 Defense Memorandum of understanding signed at Osan September 29, 2005; entered into force September 29, 2005. Download attachment [275 KB] Tags International Law, Treaties, and Agreements Security and Defense South Korea