Title: Nightmare at Scapa Flow
Subjects: British Naval operations, German Naval operations, Naval operations, Royal Oak (Battleship), Royal Oak (Ship), Submarine, World War, 1939-1945, Naval History, World war, 1939-1945, naval operations, submarine, World war, 1939-1945, naval operations, german, World war, 1939-1945, campaigns, atlantic ocean
Places: Atlantic Ocean, Scapa Flow (Scotland)