Dutch submarine K IX / HMAS K9: from NEI service to Sydney Harbour and beyond
The Dutch submarine K IX, later commissioned as HMAS K9, was a K VIII-class vessel built for the Royal Netherlands Navy (RNN) in the early twentieth century. She was ordered on 27 June 1917, laid down at the Koninklijke Maatschappij De Schelde shipyard in Vlissingen on 1 March 1919, launched Read more









