Military history of South Korea during the Vietnam War

The Republic of Korea (South Korea), under the administration of Park Chung-hee, took an active role in the Vietnam War. From 1964 to 1973, South Korea sent more than 300,000 troops to Vietnam. The South Korean Army, Marine Corps and Navy, Air Force all participated as an ally of the United States. The number of troops from South Korea was much more than Australia and New Zealand, second to the US Military Force. The military commander was Lieutenant General Chae Myung Shin, ROK Army.