The Oberon class submarine HMAS ONSLOW, (LCDR C. Nixon-Eckersall, RN), was commissioned at Greenock, Scotland. ONSLOW was laid down in Scotts Shipbuilding & Engineering Co Ltd, Greenock, Scotland, on 26 May 1967, and launched on 3 December 1968. Princess Alexandra performed the launching ceremony. ONSLOW was transferred to the Australian National Maritime Museum, Sydney, as a permanent exhibit after decommissioning in March 1999.