Additionally, the battalion has deployed on peacekeeping and other operations to a number of countries including Japan, Rifle Company Butterworth, Timor Leste, Solomon Islands, Tonga and the Philippines.

1 RAR remains one of the Australian Army's most readily deployed units sending individuals and detachments to domestic, regional and other enduring operations.

[6] The battalion was charged with enforcing the directives of the Supreme Commander for the Allied Powers, which involved various tasks such as ceremonial duties, escorting displaced persons, restoring law and order and overseeing the disarmament process.

[2] It took part in general patrolling along the Jamestown Line, which involved securing defences, repairing minefield fences, and undertaking reconnaissance of enemy positions to gather information on them.

[3] The position had been poorly maintained and over the course of the next ten days 1 RAR had to regain control of the approaches and re-establish security in the area, suffering 50 casualties in the process.

[2] At the same time, the battalion also supported the Royal Fusiliers in Operation Beat Up by launching a diversionary attack on Hill 227 on 25–26 November 1952.

[2] On the night of 11–12 December 1952 1RAR was involved in Operation Fauna, which was only a partial success as the Australians failed to capture a prisoner, although they did manage to destroy an enemy position.

[3] After arriving at Singapore the battalion trained at Kota Tinggi and moved to base camps at Kuala Kangsar, Sungei Siput, Lasah, Lintang and Grik where they undertook a month of acclimatisation.

Platoon-sized patrols would be sent for three-week long search operations before returning to the base camps for ten days rest.

Even though there were 117 official 'finds' during these operations, no kills were recorded by the battalion at this time MNLA communist guerrillas began to negate the Australian patrols by crossing the border into Thailand where they could not be followed.

[11] In July 1960, the Malayan Emergency was officially declared over, although 1RAR remained on operations until the following year when it was withdrawn and began a period of intensive training as part of the FESR, including a number of brigade level exercises.

[12] In March 1965 advanced elements of 1 RAR deployed for Vietnam by charter aircraft, whilst the rest of the battalion followed later on HMAS Sydney.

[3] The battalion arrived at Bien Hoa Air Base in June and was placed under command of the US 173rd Airborne Brigade, becoming the first Australian unit to serve in a US formation.

[12] Throughout the remainder of 1965 the battalion conducted a number of operations along with the rest of the 173rd Brigade in areas such as Ben Cat, War Zone D and the Iron Triangle.

[3] In January 1966 1 RAR took part in Operation Crimp, a search and destroy mission in the Ho Bo Woods, north of Saigon, during which the battalion conducted an air assault and uncovered the Cu Chi tunnel complex which was serving as the underground hideaway for a VC higher command element.

In 1991, the sub-Saharan African nation of Somalia was gripped by a deadly civil war, which coupled with widespread famine, that threatened a humanitarian disaster on a massive scale.

[3] Approximately 1,100-foot patrols were undertaken whilst the battalion group was deployed, ensuring the safe delivery of 8,311 tonnes of humanitarian relief supplies.

Members returning to Australia were awarded the Australian Active Service Medal (AASM) and Infantry Combat Badge (ICB).

During a battalion defensive exercise at High Range Training Area in 2000, elements of 1 RAR (CO Tac and C Coy) were recalled back to Coral Lines to assist with evacuation operations out of the Solomon Islands.

[citation needed] In September 2006, further violence flared in Dili which resulted in the deployment of 'B' Company 1 RAR to East Timor to reinforce the efforts of the Battle Group already in country.

In this role, D Coy soldiers undertook vital asset protection and several long range patrols during which they encountered numerous improvised explosive devices and experienced several engagements with Taliban forces.

[citation needed] In 2014–15, soldiers from 'A' Company 1 RAR and B Squadron 2nd Cavalry Regiment deployed to Afghanistan to provide security to mentors working with the Afghan National Army in Kabul and in Kandahar.

[28] In August 2020, 'C' Company deployed to Kabul as Force Protection Element - 14 (FPE - 14), providing security to mentors and officials working with the Afghan National Army.

In January 2021, 'Support' Company deployed to Kabul as Force Protection Element - 15 (FPE - 15), providing security to mentors and officials working with the Afghan National Army.

In August 2021, 1 RAR's Tactical Headquarters and the Ready Combat Team (B Coy) deployed to Kabul to conduct a Non-combatant Evacuation Operation (NEO) of Australian citizens, approved foreign nationals and visa holders.

[31] On 18 November 2006, a platoon from 'A' Company was deployed to Tonga as a result of violence and a break down of law and order in the capital city, Nuku Alofa.

The platoon conducted security operations in conjunction with the Tongan Defence Services for three weeks prior to returning to Australia.

Operation Augury saw elements of 1 RAR join 3 CER, 4 REGT, 3rd Combat Signals Regiment and selected health specialists, as well as RAAF and RAN personnel, in the provision of Mentor Training Teams (MTT) to the Armed Forces of the Philippines.

[3] During the Bougainville conflict in 1988–89, the Australian Government placed 2/4 RAR on standby for a short notice deployment to the fractured isle.

The ADF response includes elements from 1 RAR[39] In 2017 the battalion commenced the transition to the motorised role with the adoption of the Bushmaster Protected Mobility Vehicle.