Chu Lai Base Area
Chu Lai Base Area is a former U.S. Marine Corps, U.S. Army and Army of the Republic of Vietnam base in Chu Lai in central Vietnam.
Kỳ Hà Air Facility was part of the installation and was located in the northern half, Chu Lai Air Base was part of the installation and was located to the south-east.
History
1965
The base was located on the Kỳ Hà peninsula north of Highway 1 approximately southeast of Da Nang.On 6 May units from the ARVN 2nd Division and 3rd Battalion, 9th Marines secured the Chu Lai area. On 7 May, the 3rd Marine Expeditionary Brigade, composed of the 4th Marine Regiment, 3rd Reconnaissance Battalion, elements of Marine Aircraft Group 12 and Naval Mobile Construction Battalion 10 landed at Chu Lai to establish a jet-capable airfield and base area.
The Marines provided security for the Seabees as they constructed the airbase. By mid-June the 3rd Battalion, 12th Marines had arrived at Chu Lai to provide artillery support for the 4th Marines and the Marines were authorised to conduct search and destroy operations within a 104 square mile tactical area of operations.
In August 3rd Battalion, 11th Marines and the 3rd 155mm Gun Battery arrived at Chu Lai. On 14 August the 7th Marine Regiment arrived at Chu Lai. On 18 August the Marines launched Operation Starlite to secure the area around Chu Lai, the operation lasted until 24 August and resulted in 45 Marines and 614 Viet Cong killed.
On 2 September Marine Aircraft Group 36 was established at Kỳ Hà, comprising:
- HMM-362
- HMM-363
- HMM-364
- H&MS-36
- VMO-6
In November 3rd Battalion, 3rd Marines was moved from Chu Lai to Danang. By the end of 5 December Marine Battalions from the 4th and 7th Marine Regiments were based at Chu Lai.
When initially established the air base and base area were supplied by LSTs coming from Danang and landing at an LST ramp built on the sheltered side of the Kỳ Hà Peninsula. A Force Logistic Support Unit was established on the Kỳ Hà Peninsula to control the logistics flow.
1966
On 17 January the 1st Marine Regiment established its headquarters at Chu Lai and later took operational control of the two battalions of the 4th Marines. In late January the Marine infantry and helicopters at Chu Lai participated in Operation Double Eagle On 27 February while several Battalions were absent on Operation Double Eagle the Vietcong attacked a 1/4 Marines outpost killing 5 Marines.From 4–7 March the Chu Lai-based Marines and ARVN 2nd Division launched Operation Utah resulting in 98 Marines, 30 ARVN and almost 600 People's Army of Vietnam soldiers killed and 5 captured. From 20–27 March the 3/7 Marines and ARVN 5th Airborne Battalion launched Operation Texas resulting in 99 Marines and 283 PAVN/Vietcong killed. On 28 March the 1/7 Marines launched Operation Indiana to assist the 3rd Battalion, 5th ARVN Regiment resulting in 11 Marines and 169 Vietcong killed.
On 28 March 4 Marines moved their headquarters from Chu Lai to Phu Bai Combat Base The 3/12 Marines also moved to Phu Bai in March and artillery support was taken over by the 11th Marines.
On 29 March the 1st Marine Division established its headquarters at Chu Lai. The 1st Division commander MGEN Lewis Fields created the Chu Lai Defense Command tasked with protecting the air base and the Kỳ Hà Peninsula.
Also in March the Force Logistics Support Unit became Force Logistics Support Group Bravo and Naval Mobile Construction Battalion 4 began building permanent facilities at Kỳ Hà.
In mid-April the 2nd Battalion, 5th Marines replaced the 2/4 Marines which moved north to Danang. On 22 May 1st Battalion, 5th Marines replaced the 3/1 Marines which also moved to Danang. On 27 May the 5th Marine Regiment moved its headquarters to Chu Lai. By 1 June Marine Division had over 17,000 men in the expanded 340 square mile tactical area of operations around Chu Lai.
From 17–22 June 1 Marine Division launched Operation Kansas in the Que Son Valley resulting in 9 Marines and 85 PAVN killed. From 6–14 July the Marines 1st Reconnaissance Battalion launched Operation Washington in the Do Xa region west of Chu Lai, resulting in 15 Vietcong killed and 8 captured. From 6–22 August the Marines and ARVN launched Operation Colorado/Lien Ket 52 to engage the PAVN 2nd Division in the Que Son Valley.
On 18 August the Republic of Korea 2nd Marine Brigade was deployed to Chu Lai and assigned an area of operations southeast of Chu lai, including the Batangan Peninsula.
On 10 October 1 Marine Division headquarters was moved from Chu Lai to Danang, replacing the 3rd Marine Division rear headquarters which moved from Danang to Đông Hà.
In October Battery A, 2nd Battalion, 18th Artillery was deployed to Chu Lai to support the Marine artillery. On 30 November the 1st Field Artillery Group was deployed to Chu Lai to assume control of all artillery from the 11th Marines which had moved north to Danang.
Units attached to MAG-36 at Kỳ Hà during this period included:
- HMM-165
- HMM-261
- HMM-262
- HMM-361
- HMM-362
- HMM-363
- HMM-364
- H&MS-16 sub-unit one
- VMO-6
1967
In early April Military Assistance Command, Vietnam gave instructions to commence the Task Force Oregon plan, which involved the movement of an Army task force to Đức Phổ and Chu Lai area to allow the 1st Marine Division to move north to Danang to support the 3rd Marine Division in northern I Corps. Task Force Oregon comprised:
- 3rd Brigade, 25th Infantry Division
- 1st Brigade, 101st Airborne Division
- 196th Light Infantry Brigade
- 2nd Squadron, 11th Armored Cavalry
From August–September Task Force Oregon launched Operation Benton to the west of Chu Lai, resulting in 397 PAVN killed.
In September 1967 the 23rd Infantry Division was reestablished from elements of Task Force Oregon with its headquarters at Chu Lai and would remain here until November 1971, its subordinate units based at Chu Lai were:
- 1st Squadron, 1st Cavalry
- 11th Infantry Brigade
- 196th Light Infantry Brigade
- 198th Infantry Brigade
- 3rd Battalion, 16th Artillery
- 3rd Battalion, 18th Artillery
- Battery G, 55th Artillery
- 6th Battalion, 56th Artillery
- 1st Battalion, 82nd Artillery
- 3rd Battalion, 82nd Artillery
- 16th Aviation Group including:
- *14th Aviation Battalion
- *123rd Aviation Battalion
- *21st Aviation Company
- *71st Aviation Company
- 28th Engineer Battalion
- 509th Signal Battalion
- 523rd Signal Battalion
- 74th Medical Battalion
- 27th Surgical Hospital
- 91st Evacuation Hospital
- HMM-165
- HMM-263
- HMM-262
- HMM-362
- HMM-363
- VMO-6
The 3rd Brigade, 1st Cavalry Division was based at Chu Lai from October 1967 – January 1968, constituent units included:
- 1st Battalion, 7th Cavalry
- 2nd Battalion, 7th Cavalry
- 2nd Battalion, 12th Cavalry
In 1967 a Naval Support Activity base was established at Chu Lai to provide logistics support for allied operations in southern I Corps.
1968–71
On 31 January 1968 as part of the Tet Offensive Vietcong rockets hit the FLSG Bravo ammunition dump destroying over 600 tons of bombs and bulk explosives.In September 1968 the 2nd Light Anti-Aircraft Missile Battalion returned to the U.S.
On 27 November 1971 the 23rd Infantry Division turned over the base to the ARVN.