Australia's contribution to the 1991 Gulf War centred on a Naval Task Group, initially Task Group 627.4, which formed part of the multi-national fleet in the Persian Gulf and Gulf of Oman. 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. Over the period from 6 September 1990 to 4 September 1991 the RAN deployed a total of six ships to the area: HMA Ships , , , , , and . Clearance Diving Team 3 operated in the theatre from 27 January 1991 to 10 May 1991. It was involved in mine clearing operations in Kuwait from 5 March to 19 April 1991.