The RAN reached its highest peacetime strength. Metric Main SpeedShips Class Tonnage Armament (knots)AUSTRALIA Battle cruiser 19,507 30.5cm 25 SYDNEY Light cruiser 5486 15.2cm 25.5 MELBOURNE Light cruiser 5486 15.2cm 25.5 BRISBANE Light cruiser 5486 15.2cm 25.5 ENCOUNTER Light cruiser 5894 15.2cm 20 PIONEER Cruiser 2235 10.2 cm 20.5 PROTECTOR Gunboat 934 15.2cm 14 ANZAC Flotilla leader 1331 10.2cm 34 TASMANIA Destroyer 1092 10.2 cm 36 SWORDSMAN Destroyer 1092 10.2cm 36 SUCCESS Destroyer 1092 10.2cm 36 STALWART Destroyer 1092 10.2cm 36 TATTOO Destroyer 1092 10.2cm 36 PARRAMATTA Destroyer 711 10.2cm 26 YARRA Destroyer 711 10.2cm 26 WARREGO Destroyer 711 10.2cm 26 TORRENS Destroyer 711 10.2cm 26 HUON Destroyer 711 10.2cm 26 SWAN Destroyer 711 10.2cm 26 MALLOW Sloop 1219 5.5kg 16.5 MARGUERITE Sloop 1269 10.2cm 16.5 . GERANIUM Sloop 1269 10.2cm 16.5 FANTOME Gunboat 1087 1.4kg 13 COUNTESS OF HOPETOWN Torpedo boat 76 – -PLATYPUS Submarine depot ship 3531 11.9cm 15.5 UNA (ex KOMET) Sloop 1460 10.2 cm 16 J1 J2 J3 J4 J5 J6 J7 Submarines 1848 10.2cm gun 19 surface 45.7cm tubes 9.5 submergedAuxiliaries CERBERUS Coast defence 3220 25.4 cm 9 PENGUIN Depot ship 1147 4572 kg 11 TINGIRA (ex-SOBRAON) Training ship 2165 KURUMBA Oiler 4041 – 12FRANKLIN Yacht – – 12.5Under Construction ADELAIDE Light cruiser 5181 15.2cm 25.5 BILOELA Collier 5684 10.2cm 11