Editing HMS J7 (section)

==Fate==

''J7'' was paid off on 12 July 1922,{{citation needed|date=September 2021}} and was sold on 26 February 1924{{citation needed|date=September 2021}}. The hulk was scuttled in 1930, for use as a [[breakwater (structure)|breakwater]] at the [[Sandringham Yacht Club]] in [[Port Phillip]].<ref name="Callanan">{{cite news |last1=Callanan |first1=Tim |title=As the spotlight falls on Australia's new submarines, this one is ageing quietly at a Melbourne marina |url=https://www.abc.net.au/news/2021-09-26/this-marina-is-home-to-a-100-year-old-submarine/100442728 |access-date=26 September 2021 |work=[[ABC News (Australia)|ABC News]] |date=25 September 2021 |language=en-AU}}</ref> Some years later a stone marina was constructed around the wreck, which was left in situ and visible, being too expensive to remove, where it continues to deteriorate.<ref name="Callanan" />