Chae Myung Shin is a Republic of Korea Army

Republic of Korea Army

The Republic of Korea Army is the largest of the military branches of the South Korean armed forces with 520,000 members as of 2010...

 general and South Korean Vietnam Expeditionary Forces Commanding Officer during the Vietnam War

Vietnam War

The Vietnam War was a Cold War-era military conflict that occurred in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. This war followed the First Indochina War and was fought between North Vietnam, supported by its communist allies, and the government of...

.

Korean War

Chae Myung Shin commanded Skeleton Corps, guerrilla corps during the Korean War

Korean War

The Korean War was a conventional war between South Korea, supported by the United Nations, and North Korea, supported by the People's Republic of China , with military material aid from the Soviet Union...

, and became the authority on guerrilla tactics of the South Korean Army.

Vietnam War

Chae served as a South Korean Vietnam Expeditionary Forces Commanding Officer during the Vietnam War

Vietnam War

The Vietnam War was a Cold War-era military conflict that occurred in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. This war followed the First Indochina War and was fought between North Vietnam, supported by its communist allies, and the government of...

. Chae adopted strong tactics for the Vietnamese as an authority on guerrilla tactics. Chae's harsh policy caused strong disunion with William Westmoreland

William Westmoreland

William Childs Westmoreland was a United States Army General, who commanded US military operations in the Vietnam War at its peak , during the Tet Offensive. He adopted a strategy of attrition against the National Liberation Front of South Vietnam and the North Vietnamese Army. He later served as...

, the chief of staff of the United States Forces. When the Phong Nhi and Phong Nhat massacre

Phong Nhi and Phong Nhat massacre

The Phong Nhi and Phong Nhat massacre was a massacre conducted by the 2nd Marine Brigade of the South Korean Marines on 12 February 1968 of unarmed citizens in Phong Nhi and Phong Nhat village, Dien Ban District of Quang Nam Province in South Vietnam....

 occurred, William Westmoreland

William Westmoreland

William Childs Westmoreland was a United States Army General, who commanded US military operations in the Vietnam War at its peak , during the Tet Offensive. He adopted a strategy of attrition against the National Liberation Front of South Vietnam and the North Vietnamese Army. He later served as...

 demanded Chae Myung Shin the investigation several times. Chae replied the criminals were Viet Cong. However, Colonel

Colonel

Colonel , abbreviated Col or COL, is a military rank of a senior commissioned officer. It or a corresponding rank exists in most armies and in many air forces; the naval equivalent rank is generally "Captain". It is also used in some police forces and other paramilitary rank structures...

 Robert Morehead Cook

Robert Morehead Cook

Robert Morehead Cook was a United States Army Colonel, who served as an inspector general during a the Vietnam War.Cook reported the Phong Nhi and Phong Nhat massacre.-References:...

, United States Army

United States Army

The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

 inspector general concluded the massacre was conducted by the South Korean Marines.

See also

• ROK Armed Forces