Australia in the Vietnam War

Australia's involvement in the Vietnam War began with a small commitment of 30 military advisors in 1962, and increased over the following decade to a peak of 7,672 Australian personnel following the Menzies Government's April 1965 decision to upgrade its military commitment to South Vietnam's security. By the time the last Australian personnel were withdrawn in 1972, the Vietnam War had become Australia's longest war, eventually being surpassed by Australia's long-term commitment to the War in Afghanistan. It remains Australia's largest force contribution to a foreign conflict since the Second World War, and was also the most controversial military action in Australia since the conscription controversy during World War I. Although initially enjoying broad support due to concerns about the spread of communism in Southeast Asia, an increasingly influential anti-war movement developed, particularly in response to the government's imposition of conscription.

The withdrawal of Australia's forces from South Vietnam began in November 1970, under the Gorton Government, when 8 RAR completed its tour of duty and was not replaced. A phased withdrawal followed and, by 11 January 1973, Australian involvement in hostilities in Vietnam had ceased. Nevertheless, Australian troops from the Australian Embassy Platoon remained deployed in the country until 1 July 1973, and Australian forces were deployed briefly in April 1975, during the fall of Saigon, to evacuate personnel from the Australian embassy. Approximately 60,000 Australians served in the war: 521 were killed and more than 3,000 were wounded.

Background

Australia's involvement in the Vietnam War was driven largely by the rise of communism in Southeast Asia after World War II, and the fear of its spread, which developed in Australia during the 1950s and early 1960s. Following the end of the World War II, the French had tried to reassert control over French Indochina, which had been occupied by Japan. In 1950, the communist-backed Việt Minh, led by Ho Chi Minh, began to gain the ascendency in the First Indochina War. In 1954, after the defeat of the French at the Battle of Dien Bien Phu, the Geneva Accords of 1954 led to the splitting of the country geographically, along the 17th parallel north of latitude: the Democratic Republic of Vietnam (DRV) (recognised by the Soviet Union and the People's Republic of China) ruling the north, and the State of Vietnam (SoV), an associated state in the French Union (recognised by the non-communist world) ruling the south.

The Geneva Accords imposed a deadline of July 1956 for the governments of the two Vietnams to hold elections, with a view to uniting the country under one government.Ham 2007, p. 59. In 1955, Ngô Đình Diệm, the prime minister of the State of Vietnam, deposed the head of state Bảo Đại in a fraudulent referendum and declared himself President of the newly proclaimed Republic of Vietnam. He then refused to take part in the elections, claiming that the communist north would engage in election fraud and that as a result they would win because they had more people. After the election deadline passed, the military commanders in the North began preparing an invasion of the South. Over the course of the late 1950s and early 1960s this invasion took root in a campaign of insurgency, subversion and sabotage in the South employing guerrilla warfare tactics. In September 1957, Diem visited Australia and was given strong support by both the ruling Liberal Party of Australia of Prime Minister Robert Menzies and the opposition Australian Labor Party (ALP). Diem was particularly feted by the Catholic community, as he pursued policies that discriminated in favour of the Catholic minority in his country and gave special powers to the Catholic Church.

By 1962, the situation in South Vietnam had become so unstable that Diem submitted a request for assistance to the United States and its allies to counter the growing insurgency and the threat that it posed to South Vietnam's security. Following that, the US began to send advisors to provide tactical and logistical advice to the South Vietnamese. At the same time, the US sought to increase the legitimacy of the South Vietnamese government by instituting the Many Flags program, hoping to counter the communist propaganda that South Vietnam was merely a US puppet state, and to involve as many other nations as possible. Thus Australia, as an ally of the United States, with obligations under the ANZUS Pact, and in the hope of consolidating its alliance with the US, became involved in the Vietnam War. Between 1962 and 1972, Australia committed almost 60,000 personnel to Vietnam, including ground troops, naval forces and air assets, and contributed significant amounts of materiel to the war effort.

Australia's military involvement

Australian advisors, 1962–1965

While assisting the British during the Malayan Emergency, Australian and New Zealand military forces had gained considerable experience in jungle warfare and counter-insurgency. According to historian Paul Ham, the US Secretary of State, Dean Rusk, "freely admitted to the ANZUS meeting in Canberra in May 1962, that the US armed forces knew little about jungle warfare". Given the experience that Australian forces had gained in Malaya, it was felt that Australia could contribute in Vietnam by providing advisors who were experts in the tactics of jungle warfare. The Australian government's initial response was to send 30 military advisers, dispatched as the Australian Army Training Team Vietnam (AATTV), also known as "the Team". The Australian military assistance was to be in jungle warfare training, and the Team comprised highly qualified and experienced officers and NCOs, led by Colonel Ted Serong, many with previous experience from the Malayan Emergency. Their arrival in South Vietnam, during July and August 1962, was the beginning of Australia's involvement in the war in Vietnam.

Relationships between the AATTV and US advisors were generally very cordial, but there were sometimes significant differences of opinion on training and tactics. For example, when Serong expressed doubt about the value of the Strategic Hamlet Program at a US Counter Insurgency Group meeting in Washington on 23 May 1963, he drew a "violent challenge" from US Marine General Victor "Brute" Krulak. Captain Barry Petersen's work with raising an anti-communist Montagnard force in the Central Highlands between 1963 and 1965 highlighted another problem. South Vietnamese officials sometimes found sustained success by a foreigner difficult to accept. Warrant Officer Class Two Kevin Conway, of the AATTV, was killed on 6 July 1964, side by side with Master Sergeant Gabriel Alamo of the USSF, during a sustained Vietcong (VC) attack on Nam Dong Special Forces Camp, becoming Australia's first battle casualty.

Increased Australian commitment, 1965–1970

In August 1964 the Royal Australian Air Force (RAAF) sent a flight of Caribou transports to the port town of Vũng Tàu. By the end of 1964, there were almost 200 Australian military personnel in the South Vietnam, including an engineer and surgical team as well as a larger AATTV team. To boost the size of the Army by providing a greater pool for infantrymen, the Australian Government had introduced conscription for compulsory military service for 20-year-olds, in November 1964, despite opposition from within the Army and many sections of the broader community. Thereafter, battalions serving with in South Vietnam all contained National Servicemen. With the war escalating the AATTV increased to approximately 100 men by December.Dennis et al 2008, p. 59.

On 29 April 1965, Menzies announced that the government had received a request for further military assistance from South Vietnam. "We have decided...in close consultation with the Government of the United States—to provide an infantry battalion for service in Vietnam." He argued that a communist victory in South Vietnam would be a direct military threat to Australia. "It must be seen as part of a thrust by Communist China between the Indian and Pacific Oceans" he added.

The question of whether a formal request was made by the South Vietnamese government at that time has been disputed. Although the South Vietnamese Prime Minister, Trần Văn Hương, made a request in December 1964,Ham 2007, p. 121. Hương's replacement, Phan Huy Quát, had to be "coerced into accepting an Australian battalion", and stopped short of formally requesting the commitment in writing, simply sending an acceptance of the offer to Canberra, the day before Menzies announced it to the Australian parliament. In that regard, it has been argued that the decision was made by the Australian government, against advice of the Department of Defence, to coincide with the commitment of US combat troops earlier in the year, and that the decision would have been made regardless of the wishes of the South Vietnamese government.

As a result of the announcement, the 1st Battalion, Royal Australian Regiment (1 RAR) was deployed. Advanced elements of the battalion departed Australia on 27 May 1965.Ham 2007, p. 128. Accompanied by a troop of armoured personnel carriers from the 4th/19th Prince of Wales's Light Horse, as well as logistics personnel, they embarked upon and, following their arrival in Vietnam in June, they were attached to the US 173rd Airborne Brigade, along with a Royal New Zealand Army artillery battery. Throughout 1965, they undertook several operations in Biên Hòa Province and subsequently fought significant actions, including Gang Toi, Operation Crimp and Suoi Bong Trang. Meanwhile, 1 RAR's attachment to US forces had highlighted the differences between Australian and American operational methods, and Australian and US military leaders subsequently agreed that Australian combat forces should be deployed in a discrete province. That would allow the Australian Army to "fight their own tactical war", independently of the US.

In April 1966, 1st Australian Task Force (1 ATF) was established in Phước Tuy Province, based at Nui Dat. 1 ATF consisted of two (and, after 1967, three) infantry battalions, a troop, and later a squadron, of armoured personnel carriers from the 1st Armoured Personnel Carrier Squadron, and a detachment of the Special Air Service Regiment (SASR), as well as support services under the command of the 1st Australian Logistic Support Group (1 ALSG), based in Vũng Tàu. A squadron of Centurion tanks was added in December 1967. The New Zealand battery and a battery from the U.S 35th Field Artillery Regiment were integrated into the task force. New Zealand infantry units were deployed in 1967 and, after March 1968, were integrated into Australian battalions serving with 1 ATF. The combined infantry forces were thereafter designated "ANZAC Battalions". Special forces from the New Zealand Special Air Service were also attached to each Australian SASR squadron from late 1968. 1 ATF's responsibility was the security of Phước Tuy Province, excluding larger towns.

The RAAF contingent was also expanded, growing to include three squadrons — No. 35 Squadron, flying Caribous, No. 9 Squadron flying UH-1 Iroquois battlefield helicopters and No. 2 Squadron flying Canberra bombers. Based at Phan Rang Air Base in Ninh Thuận Province, the Canberras flew many bombing sorties, and two were lost, while the Caribou transport aircraft supported anti-communist ground forces, and the Iroquois helicopters were used in troop-lifts and medical evacuation and, from Vũng Tàu Air Base, as gunships in support of 1 ATF. At its peak it included over 750 personnel.

During the war, RAAF CAC-27 Sabre fighters from No. 79 Squadron were deployed to Ubon Air Base in Thailand as part of Australia's SEATO commitments. The Sabres took no part in direct hostilities against North Vietnam, and were withdrawn in 1968. The Royal Australian Navy (RAN) also made a significant contribution, which involved the deployment of one destroyer, on six-month rotations, deployed on the gun-line in a shore bombardment role. The RAN Helicopter Flight Vietnam and a RAN Clearance Diving Team were also deployed. The ageing aircraft carrier, HMAS ''Sydney'', after being converted to a troop-ship, was used to convey the bulk of Australian ground forces to South Vietnam. Female members of the Army and RAAF nursing services were present in Vietnam from the outset and, as the force grew, the medical capability was expanded by the establishment of the 1st Australian Field Hospital at Vũng Tàu on 1 April 1968.

From an Australian perspective, the most famous engagement in the war was the Battle of Long Tan, which took place on 18 and 19 August 1966. During the battle, a company from 6 RAR, despite being heavily outnumbered, fought off an assault by a force of regimental strength. 18 Australians were killed and 24 wounded, while at least 245 VC were killed. It was a decisive Australian victory and is often cited as an example of the importance of combining and coordinating infantry, artillery, armour and military aviation. The battle had considerable tactical implications as well, being significant in allowing the Australians to gain dominance over Phước Tuy Province and, although there were other large-scale encounters in later years, 1 ATF was not fundamentally challenged again.Dennis 1995, p. 619. Regardless, during February 1967, 1 ATF sustained its heaviest casualties in the war to that point, losing 16 men killed and 55 wounded in a single week, the bulk of them during Operation Bribie. 1 ATF appeared to have lost the initiative and, for the first time in nine months of operations, the number of Australians killed in battle, or from friendly fire, mines or booby traps, had reversed the task force's kill ratio.

Such losses underscored the need for a third battalion, and the requirement for tanks to support the infantry, a realisation which challenged the conventional wisdom of Australian counter-revolutionary warfare doctrine, which had previously allotted only a minor role to armour. Yet, it was nearly a year before more Australian forces finally arrived. To Brigadier Stuart Graham, the 1 ATF commander, Operation Bribie confirmed the need to establish a physical barrier, to deny the VC freedom of movement and thereby regain the initiative. The subsequent decision to establish an barrier minefield from Đất Đỏ to the coast increasingly came to dominate task force planning. Ultimately, that would prove both controversial and costly for the Australians. Despite initial success, the minefield became a source of munitions for the VC to use against 1 ATF and, in 1969, the decision was made to remove it.

As the war continued to escalate following further American troop increases, 1 ATF was heavily reinforced in late 1967. A third infantry battalion arrived in December 1967, and a squadron of Centurion tanks, and more Iroquois helicopters, were added in early 1968. In all, a further 1,200 men were deployed, taking the total Australian troop strength to over 8,000 men, its highest level during the war. This increase effectively doubled the combat power available to the task force commander.

Although primarily operating out of Phước Tuy, the 1 ATF was also available for deployment elsewhere in the III Corps Tactical Zone. As Phước Tuy progressively came under Australian control, 1968 saw the Australians spending a significant period of time conducting operations further afield. The communist Tet Offensive began on 30 January 1968 with the aim of inciting a general uprising, simultaneously engulfing population centres across South Vietnam. In response, 1 ATF was deployed along likely infiltration routes to defend the vital Biên Hòa– Long Binh complex northeast of Saigon, as part of Operation Coburg between January and March. Heavy fighting resulted in 17 Australians being killed and 61 wounded, while communist casualties included at least 145 killed, 110 wounded and 5 captured, with many more removed from the battlefield. Tet also affected Phước Tuy Province and, although stretched thin, the remaining Australian forces there successfully repelled an attack on Ba Ria, as well as spoiling a harassing attack on Long Dien. A sweep of Hỏa Lòng was conducted, killing 50 VC and wounding 25, for the loss of five Australians killed and 24 wounded. In late February, the communist offensive collapsed, suffering more than 45,000 killed, compared with allied losses of 6,000 men. Regardless, Tet proved to be a turning point in the war and, although it was a tactical disaster for the communists, it proved a strategic victory for them. Confidence in the American military and political leadership collapsed, as did public support for the war in the United States.

Tet had a similar effect on Australian public opinion, and caused growing uncertainty in the government about the determination of the United States to remain militarily involved in Southeast Asia. Amid the initial shock, Prime Minister John Gorton unexpectedly declared that Australia would not increase its military commitment in Vietnam. The war continued without respite and, between May and June 1968, 1 ATF was again deployed away from Phước Tuy in response to intelligence reports of another impending offensive. In May 1968, 1 RAR and 3 RAR, with armour and artillery, support fought off large-scale attacks during the Battle of Coral–Balmoral. 25 Australians were killed and nearly 100 wounded, while the North Vietnamese People's Army of Vietnam (PAVN) lost in excess of 300 killed.

Later, from December 1968 to February 1969, two battalions from 1 ATF again deployed away from their base in Phước Tuy province, operating against suspected PAVN/VC bases in the Hat Dich area, in western Phước Tuy, south-eastern Biên Hòa, and south-western Long Khan provinces, during Operation Goodwood. The fighting lasted 78 days and was one of the longest out-of-province operations mounted by the Australians during the war.

From May 1969, the main effort of the task force refocussed on Phước Tuy Province. Later in June 1969, 5 RAR fought one of the last large-scale actions of the Australian involvement in the war, during the Battle of Binh Ba, north of Nui Dat in Phước Tuy Province. The battle differed from the unusual Australian experience, because it involved infantry and armour in close-quarter house-to-house fighting against a combined PAVN/VC force, through the village of Binh Ba. For the loss of one Australian killed, the PAVN/VC lost 107 killed, six wounded and eight captured, in a hard-fought but one-sided engagement.

Due to the losses suffered at Binh Ba, the PAVN was forced to move out of Phước Tuy into adjoining provinces and, although the Australians did encounter main force units in the years to come, the Battle of Binh Ba marked the end of such clashes. Yet, while the VC had largely been forced to withdraw to the borders of the province by 1968–69, control of Phước Tuy was challenged on several occasions in the following years, including during the 1968 Tet Offensive, as well as in mid-1969, following the incursion of the PAVN 33rd Regiment, and again in mid-1971, with further incursions by the 33rd Regiment and several VC main force units and, finally, during the Easter Offensive in 1972. Attacks on South Vietnamese Regional Force outposts, and incursions into the villages, had also continued.

Large-scale battles were not the norm in Phước Tuy Province. More typical was company-level patrolling and cordon and search

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