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
Atlantic U-boat campaign of World War I Atlantic U-boat campaign of World War I The Atlantic U-boat campaign of World War I (sometimes called the "First Battle of the Atlantic", in reference to the World War II campaign of that name) was the prolonged naval conflict between German submarines and the Allied navies in Atlantic waters—the seas around the British Isles, the North Sea and the coast of France. Initially the U-boat campaign was directed against the British Grand Fleet. Later U-boat fleet action was extended to include action against the trade routes of the Allied powers. This campaign was highly destructive, and resulted in the loss