Its exports of 1.2 million barrels a day to the U.S. trail those of Saudi Arabia, Canada and Mexico today, but that could change if war disrupts the flow of oil from the Middle East.
Sunken World War II warships in Scapa Flow harbour offer fantastic diving opportunities, or take a ferry to either Westray or Hoy for spectacular cliffside walks and the chance to see puffins and other seabirds at the bird preserves on each island.
There are even some enemy graves, such as that of a German sailor killed when the Imperial Grand Fleet was scuttled in Scapa Flow after the end of World War I.
The announcement of the inquiry has done nothing to flow the stem of questions about the intelligence which informed Britain's decision to go to war against Iraq.