Admiral Commanding, Orkneys and Shetlands Admiral Commanding, Orkneys and Shetlands The Admiral Commanding, Orkneys and Shetlands was an operational commander of the Royal Navy. His subordinate units, establishments, and staff were sometimes informally known as the Orkneys and Shetlands Command; they were charged with the administration of the Orkney and Shetland Islands and operating and defending the fleet base at Scapa Flow that was the main anchorage for both the Home Fleet and Grand Fleet at various times. The Orkney and Shetland command was usually only formed at the outbreak of war to provide for the defence and administration of the main base for the
South Orkney Islands station house up to 45 people during the summer, and an average of 14 during winter. The British Antarctic Survey base, Signy Research Station, is located on Signy Island and was established in 1947. Initially operated year-round, since 1995/6 the Signy Research Station has been open only from November to April each year (southern hemisphere summer). Apart from personnel at the bases, there are no permanent inhabitants on the islands. The South Orkney Islands were discovered in 1821 by two sealers, the American Nathaniel Brown Palmer and the British George Powell. The Islands were originally named "Powell's Group", with the