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| 5th Infantry Division (South Vietnam) | |
|---|---|
| Unit name | 5th Infantry Division (South Vietnam) |
| Native name | Liên Đoàn 5 Bộ Binh (Quân Lực Việt Nam Cộng Hòa) |
| Dates | 1962–1975 |
| Country | South Vietnam |
| Branch | Army of the Republic of Vietnam |
| Type | Infantry |
| Size | Division |
| Garrison | Pleiku, Buôn Ma Thuột, Nha Trang |
| Battles | Vietnam War, Tet Offensive, Easter Offensive (1972), Battle of Ban Me Thuot |
5th Infantry Division (South Vietnam) The 5th Infantry Division was an infantry division of the Army of the Republic of Vietnam active from 1962 until the collapse of South Vietnam in 1975. Raised during the expansion of the Republic of Vietnam Military Forces, the division operated primarily in the Central Highlands and II Corps tactical zone, engaging People's Army of Vietnam and Viet Cong forces in major campaigns including the Tet Offensive and the Easter Offensive (1972). The division's actions intersected with operations by the United States Army, ARVN Airborne Division, United States Marine Corps, and Military Assistance Command, Vietnam advisers.
Formed in 1962 amid reorganizations influenced by advisors from Military Assistance Advisory Group, Vietnam and doctrine drawn from the United States Army, the division's initial structure mirrored U.S. divisional organization with three infantry regiments, an artillery regiment, reconnaissance elements, and support battalions attached to a divisional headquarters established in Pleiku. Early regiments drew manpower from regional recruitment in Kontum, Gia Lai Province, and Phú Yên Province, and the division incorporated provincial and regional forces previously aligned under Civil Guard and Regional Forces commands. Organizational changes during the 1960s and early 1970s reflected strategic shifts after operations such as Operation Highland, Operation Cochise, and the Battle of Dak To.
The division's operational history included counterinsurgency and conventional actions against the Viet Cong and People's Army of Vietnam regulars. During the Tet Offensive the division fought in coordinated actions around Pleiku, Kon Tum, and Buôn Ma Thuột alongside units of the IV Corps and III Corps in efforts to repel attacks triggered by the 1968 campaign. In 1972 the division was engaged in defensive operations during the Easter Offensive (1972) and in the Battle of Kontum, operating with elements of the 1st Division and the 3rd Division while supported by Vietnam Air Force close air support and U.S. logistical airlift from Cam Ranh Bay. In 1975 the division participated in attempts to defend the Central Highlands during the 1975 campaign including actions at Ban Me Thuot and counterattacks coordinated with the South Vietnamese Rangers and South Vietnamese Marines before the fall of Pleiku and the final collapse of South Vietnam.
As a division of the Army of the Republic of Vietnam, the 5th reported to the II Corps headquarters and coordinated with provincial chiefs such as the province chiefs of Darlac Province, Kontum Province, and Phú Yên Province. Commanders included senior ARVN officers who had served in previous formations influenced by training from MACV and liaison with leaders of ARVN III Corps. Notable commanders and senior staff were involved in operations alongside figures such as Nguyễn Văn Thiệu, Nguyễn Cao Kỳ, Dương Văn Minh, and provincial political leaders; several commanders later appeared in accounts of the Fall of Saigon and postwar histories addressing ARVN leadership decisions during the Paris Peace Accords era.
The division employed a mix of U.S.-supplied and locally configured equipment: M16 rifle, M60 machine gun, M79 grenade launcher, M101 howitzer, and armored support including M48 Patton tanks and M113 armored personnel carriers when attached during combined arms operations. Aviation support included coordination with Republic of Vietnam Air Force helicopters such as the Bell UH-1 Iroquois for air mobility and medevac in operations resembling Air Cavalry tactics used by United States Army units. Uniforms followed ARVN patterns with tropical fatigues, steel helmets modeled on the M1 helmet, and insignia reflecting divisional heraldry and rank consistent with regulations issued by the Army of the Republic of Vietnam high command.
Casualty figures for the division reflect intense combat in the Central Highlands during major offensives; estimates of killed, wounded, and missing varied across ARVN reports, MACV assessments, and postwar analyses. The division suffered significant personnel losses during the Tet Offensive and particularly in 1975 during the final campaign including killed, wounded, and captives taken by People's Army of Vietnam units after encirclement operations around Ban Me Thuot and Pleiku. Material losses included artillery pieces, M48 Patton tanks, and M113 vehicles destroyed or abandoned during retreat and overrun operations recorded in after-action reports and contemporary journalism covering the collapse of ARVN formations.
Throughout the 1960s and early 1970s the division underwent reorganizations to integrate mechanized elements, ranger battalions, and civil-military liaison units, often as a response to operations such as Operation Lam Son 719 and the shifting priorities after the Paris Peace Accords. The final dissolution occurred with the collapse of South Vietnam in April 1975 when surviving elements were disbanded, surrendered, or absorbed during the Fall of Saigon. Former personnel faced postwar repercussions under the Socialist Republic of Vietnam including reeducation camps and demographic dispersal documented in studies of the postwar period.
Category:Military units and formations of South Vietnam Category:Vietnam War units and formations