Military Occupation (South): Military Governors: 1945-1948 South Korea was occupied by the armed forces of the United States of America. Military Governor of Korea :: Joseon gunjeong janggwan (朝鮮軍政長官|조선군정장관) 12 Sep 1945 - 3 Jan 1946 Archibald Vincent Arnold 3 Jan 1946 - 11 Sep 1947 Archer Lynn Lerch Acting Military Governor :: Gunjeong janggwan daeri (軍政長官代理|군정장관대리) 11 Sep 1947 - 3 Nov 1947 Charles Gardiner Helmick Military Governor of Korea :: Joseon gunjeong janggwan (朝鮮軍政長官|조선군정장관) 3 Nov 1947 - 15 Aug 1948 William Frische Dean Last updated on: 02 Jun 2022 16:02:36