I Corps (South Vietnam) - AbsoluteAstronomy.com

The I Corps Tactical Zone was a corps

Corps

A corps is either a large formation, or an administrative grouping of troops within an armed force with a common function such as Artillery or Signals representing an arm of service...

of the Army of the Republic of Vietnam

Army of the Republic of Vietnam

The Army of the Republic of Viet Nam , sometimes parsimoniously referred to as the South Vietnamese Army , was the land-based military forces of the Republic of Vietnam , which existed from October 26, 1955 until the fall of Saigon on April 30, 1975...

(ARVN), the army of the nation state of South Vietnam

South Vietnam

South Vietnam was a state which governed southern Vietnam until 1975. It received international recognition in 1950 as the "State of Vietnam" and later as the "Republic of Vietnam" . Its capital was Saigon...

that existed from 1955 to 1975. It was one of four corps which the ARVN oversaw. This was the northernmost region of South Vietnam

South Vietnam

, bordering North Vietnam

North Vietnam

The Democratic Republic of Vietnam , was a communist state that ruled the northern half of Vietnam from 1954 until 1976 following the Geneva Conference and laid claim to all of Vietnam from 1945 to 1954 during the First Indochina War, during which they controlled pockets of territory throughout...

. These five provinces are Quảng Trị Province

Quang Tri Province

Quảng Trị is a province on the North Central Coast of Vietnam, north of the former imperial capital of Huế.-Geography:Located in North Central Vietnam, Quang Tri Province is surrounded by Quang Binh Province on the north, Thua Thien-Hue Province on the south, Savannakhet Province of Laos on the...

, (Khe Sanh

Khe Sanh

Khe Sanh is the district capital of Hướng Hoá District, Quảng Trị Province, Vietnam, located 63 km west of Đông Hà.Khe Sanh Combat Base was a United States Marine Corps outpost in South Vietnam used during the Vietnam War. The airstrip was built in September 1962...

, Đông Hà

Dong Ha

Đông Hà is the capital town of Quang Tri province, Vietnam. It is located at around . Dong Ha is situated at the crossroads of National Highway 1A and Route 9, part of the East-West Economic Corridor . It lies on the Reunification Express Railway and is served by Dong Ha Railway Station...

, Quang Tri City), Thừa Thiên-Huế Province

Thua Thien-Hue Province

Thừa Thiên-Huế is a province in the North Central Coast of Vietnam, approximately in the center of the country. It borders Quang Tri Provice to the north and Da Nang City to the south, Laos to the west and the South China Sea to the east. The province has 128 km of coastline, 22,000 ha of...

, (Phu Bai, Hue City), Quảng Nam Province

Quang Nam Province

Quảng Nam is a province on the South Central Coast of Vietnam. It is bordered by Thua Thien-Huế province to the north, the nation of Laos to the west, Kon Tum Province to the southwest, Quảng Ngãi Province to the southeast, the South China Sea to the east, and the city of Da Nang to the...

, (Đà Nẵng, Hoi An), Quang Tin Province, (Tam Ky, Chu Lai) and Quang Ngai Province

Quang Ngai Province

Quảng Ngãi is a province in the South Central Coast region of Vietnam, on the coast of South China Sea. It is located 883 km south of Hanoi and 838 km north of Ho Chi Minh City.-History:...

, (Quang Ngai).

The I CTZ, later Military Region 1, was partnered with the U.S. III Marine Expeditionary Force

III Marine Expeditionary Force

The III Marine Expeditionary Force is a Marine Air-Ground Task Force of the United States Marine Corps that is forward-deployed and able to deploy rapidly and conduct operations across the spectrum from humanitarian assistance and disaster relief to amphibious assault and high intensity combat. III...

and the XXIV Corps.

See also