HM Submarine Tactician prepares for ocean voyage to Fiji & New Zealand for exercises with the RNZN & RNZAF.Testing their escape equipment prior to leaving Sydney tonight. (Tues) These crew members under the instructions of C.P.O Coxswain. A. MacLean on the submarines side.Watching L/S. I. Gill, P.O. L. O'Gara.. & M (E). I. C. Rayment.The Tactician is one of three submarines on loan to the Royal Australian Navy and has been engaged in exercises with our squadron.They can stay afloat for over a week in one of the *****. November 02, 1955. (Photo by Gordon Herbert Short/Fairfax Media).