HMAS Platypus was a submarine depot ship and base ship operated by the Royal Australian Navy (RAN) between 1919 and 1946.

The Royal Australian Navy Submarine Service is the collective name of the submarine element of the Royal Australian Navy. The service...

His Majesty's Australian Submarine AE2 was launched in the yard of Vickers Ltd at Barrow-in-Furness England on 18 June 1913. She...