HMAS Australia (1911) fighter—and operated them until the end of the war. The 2nd BCS again supported minelayers in the North Sea between 25–26 June and 29–30 July. During September and October, "Australia" and the 2nd BCS supervised and protected minelaying operations north of Orkney. When the armistice with Germany was signed on 11 November 1918 to end World War I, one of the conditions was that the German High Seas Fleet was to be interred at Scapa Flow. The German fleet crossed the North Sea, and on 21 November, the British Grand Fleet sailed out to meet it; "Australia" led the port
Romanian Black Sea Fleet during World War I machine guns. The minelayer "Alexandru cel Bun" was armed with two 37 mm guns and two machine guns, in addition to her load of mines. The main Romanian port of Constanța was leased to a Russian naval squadron, headed by the battleship "Rostislav". This, combined with the fall of the port to the Central Powers during the Second Battle of Cobadin, rendered the small Northern port of Sulina as the base for the Romanian Black Sea Fleet. On 13 November 1916, the German minelaying submarine "UC-15" set off to lay mines off Sulina. However, she only managed to lay two