
The 2nd Battalion, Royal Australian Regiment is an amphibious light infantry battalion of the Australian Army part of the 1st Division Amphibious Task Group based at Lavarack Barracks in Townsville.

The 5th Battalion, Royal Australian Regiment is a regular motorised infantry battalion of the Australian Army. Originally established in 1965 it would serve two tours of South Vietnam before it was linked with the 7th Battalion to form the 5th/7th Battalion, Royal Australian Regiment in 1973. In late 2006 the two units were de-linked, and 5 RAR again joined the Australian Army's order of battle in its own right. It has since served in Iraq, East Timor and Afghanistan.

The 7th Battalion, Royal Australian Regiment is a regular infantry battalion of the Australian Army. It was originally raised in 1965 as part of Australia's commitment to the Vietnam War and it eventually served two tours in Vietnam in 1967 and 1971. In 1973, following Australia's withdrawal from the conflict, the battalion was amalgamated with the 5th Battalion, Royal Australian Regiment to form the 5th/7th Battalion, Royal Australian Regiment.

The 8th Battalion, Royal Australian Regiment was an Australian Army Regular infantry battalion. The battalion was formed in July 1966 as part of an expansion of the Australian Army in the mid-1960s due to the perceived threat of Communism in southeast Asia. Initially the battalion was sent to Malaysia in 1967, before later being sent to South Vietnam as part of Australia's commitment to the Vietnam War. Between November 1969 and October 1970 the battalion undertook operations as part of the 1st Australian Task Force, before being brought back to Australia. In October 1973, after Australia's involvement in Vietnam officially ended, the battalion was amalgamated with 9 RAR to form 8/9 RAR.

The 9th Battalion, Royal Australian Regiment was a Regular light infantry battalion of the Australian Army. The battalion was raised in November 1967 and deployed to South Vietnam as part of Australia's commitment to the Vietnam War in November 1968. 9 RAR served a year-long tour of duty based out of Nui Dat conducting operations mainly in Phuoc Tuy Province as part of the 1st Australian Task Force. The Battalion returned to Australia in November 1969 and was reformed at Enoggera, Queensland in January 1970 as part of the 6th Task Force, attached to the 1st Division. On 31 November 1973, following the withdrawal of Australian forces from South Vietnam and subsequent reduction of the Australian Army, the battalion was linked with the 8th Battalion, Royal Australian Regiment to form the 8th/9th Battalion, Royal Australian Regiment.

The 30th Armored Division was a Tennessee-based unit of the Army National Guard from the 1950s to the 1970s.

The 89th Infantry Division, originally known as the "89th Division," was an infantry formation of the United States Army that was active during World War I, World War II, and the Cold War.

United States Army Forces Command (FORSCOM) is the largest United States Army command. It provides expeditionary, regionally engaged, campaign-capable land forces to combatant commanders. Headquartered at Fort Bragg, North Carolina, FORSCOM consists of more than 750,000 active Army, U.S. Army Reserve, and Army National Guard soldiers. FORSCOM was created on 1 July 1973 from the former Continental Army Command, who in turn supplanted Army Field Forces and Army Ground Forces.

The Glasgow Highlanders was a former infantry regiment of the British Army, part of the Territorial Force, later renamed the Territorial Army. The regiment eventually became a Volunteer Battalion of the Highland Light Infantry in 1881. The regiment saw active service in both World War I and World War II. In 1959 the Highland Light Infantry was amalgamated with the Royal Scots Fusiliers to form the Royal Highland Fusiliers. The Glasgow Highlanders was later amalgamated into the 52nd Lowland Volunteers in 1967.

U.S. Military Assistance Command, Vietnam (MACV) was a joint-service command of the United States Department of Defense.

The New Guinea Volunteer Rifles (NGVR) was an infantry battalion of the Australian Army. It was initially raised as a unit of the Militia from white Australian and European expatriates in New Guinea upon the outbreak of the Second World War in 1939, before being activated for full-time service following the Japanese landings in early 1942. NGVR personnel then helped rescue survivors of Lark Force from Rabaul in February and March 1942. Between March and May, the NGVR monitored the Japanese bases which had been established in the Huon Gulf region, being the only Allied force in the area until the arrival of Kanga Force at Wau in May. The battalion subsequently established observation posts overlooking the main approaches and reported on Japanese movements.

The Provincial Reconnaissance Units (PRUs) were South Vietnamese special police, led by U.S. military and Central Intelligence Agency (CIA) personnel, who fought against the political leadership of the Vietcong (VC) insurgency under the Phoenix Program during the Vietnam War.

Regiment Overvaal is a reserve force regiment of the South African Army Air Defence Artillery Formation.

The Royal Australian Army Ordnance Corps (RAAOC) is the Corps within the Australian Army concerned with supply and administration, as well as the demolition and disposal of explosives and salvage of battle-damaged equipment. The Corps contains clerks, operator supplies, petroleum operators, parachute riggers and ammunition technicians. Members of the Corps are nicknamed Roaches.

The Staffordshire Yeomanry was a unit of the British Army. Raised in 1794 following Prime Minister William Pitt's order to raise volunteer bodies of men to defend Great Britain from foreign invasion, the Staffordshire Yeomanry began as a volunteer cavalry regiment.

The Swedish Army Ordnance Corps was an administrative corps of the Swedish Army established in 1937. The majority of the active officers and some civilian personnel served in the Ordnance Department of the Royal Swedish Army Materiel Administration and its workshops.

United States Army Republic of Vietnam (USARV) was a corps-level support command of the United States Army in the Vietnam War.