HMAS Platypus & The Darwin Raid – 1942 Gale, Lieutenant Commander M.B. , VRD, RANR (Retd.) · Jun 11, 1987 · THE PLATYPUS (Plats) was a WWI submarine depot Ship which, together with five ‘J’ class submarines, was presented by the RN to the RAN in 1919. She was later paid ...Pages: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7