Australia was a member of the international coalition which contributed military forces to the 1991 Gulf War, also known as Operation Desert Storm. More than 1800 ADF personnel were deployed to the Persian Gulf from August 1990 to September 1991. In August 1990 2 frigates HMAS Adelaide and HMAS Darwin and the replenishment ship HMAS Success left for the Persian Gulf. HMAS Success had no air defences so the 16th Air Defence Regiment deployed on this Ship. On 3 December 1990 HMAS Brisbane and HMAS Sydney (IV) relieved HMAS Adelaide and HMAS Darwin. On 26 January 1991 HMAS Westralia replaced HMAS Success. A RAN clearance diving team was also deployed for explosive ordnance and demolition tasks. Australian ships were in danger of mines and possible air attacks. In a number of recorded incidents, the HMAS Brisbane encountered free floating mines, on one occasion narrowly avoiding a collision. Both HMA Ships Brisbane and Sydney encountered significant air threat warnings from Iran and Iraq throughout the initial period of the commencement of the Desert Storm Campaign. The detection of land based silkworm missiles from Iran throughout the campaign also added to the challenges for both crews as well as the multi-national Naval Forces.
In addition to the naval contingent, Australian service personnel were seconded to British and American ground troops. The RAAF deployed a unit of photo-interpreters which were based in Saudi Arabia. Four medical teams were also deployed. At the end of Desert Storm, 75 ADF personnel were deployed to Northern Iraq to assist in the provision of humanitarian aid to the Kurds living in the UN-declared exclusion zone.
Whilst there were no casualties of ADF personnel during the Gulf War, a significant number of Australian Gulf War veterans appear to continue to suffer from Gulf War illness.
Australia's contribution to the 1991 Gulf War centred on a Naval Task Group which formed part of the multi-national fleet in the Persian Gulf and Gulf of Oman, under Operation Damask. In addition, medical teams were deployed aboard a US hospital ship and a naval clearance diving team took part in de-mining Kuwait's port facilities at the end of the war. Following the end of the war Australia deployed a medical unit on Operation Habitat to northern Iraq as part of Operation Provide Comfort. While there were proposals to deploy other units (including an apparent US request for RF-111 reconnaissance aircraft) these proposals came to nothing and no Australian Army or Royal Australian Air Force combat units were deployed. While some publications suggest that the Australian Special Air Service Regiment (SASR) took part in the war, this is not correct (though the SASR was brought to a higher state of readiness and a very small number of personnel on exchange to the British SAS saw action). The total number of personnel deployed between August 1990 and September 1991 was 1,800. In the aftermath of the conflict, Royal Australian Navy warships continued to be deployed to the Persian Gulf periodically to enforce sanctions against Iraq until the 2003 Invasion of Iraq.