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
South Orkney Islands claim. The islands are situated at latitudes about 60°30' to 60°48' S and longitudes 44°25' to 46°43' W in the Southern Ocean. As a group of islands, the South Orkney Islands are at approximately . The archipelago comprises four main islands. Coronation Island is the largest, measuring about long; its highest point is Mount Nivea which rises to above sea level. Laurie Island is the easternmost of the islands. The other main islands are Powell and Signy. Smaller islands in the group include Robertson Islands, the Saddle Islands, and Acuña Island. The total area of the archipelago is about ,