Three ships of the Royal Australian Navy have been named HMAS Adelaide, after Adelaide, the capital city of South Australia: was a Town-class light cruiser commissioned in 1922 and decommissioned in 1946 was an Adelaide-class frigate commissioned in 1980 and decommissioned in 2008 is a Canberra-class landing helicopter dock ship commissioned in 2015 and active as of 2022 Battle honours Ships of the name HMAS Adelaide have earned four battle honours: Pacific 1941–43 East Indies 1942 East Timor 1999 Persian Gulf 2001–02 References Royal Australian Navy ship names