evidence: Northwest of Ireland, the Rockall Trough marks where the continental shelf ends, the sea floor dropping away to an abyssal depth – and at the other side of it rises a plateau of rock as long as Scotland. [...] No! Being "land," Rockall was a threat to national security. It was obvious. We had to have it. [...] - "Rockall fishing rights dispute between Scotland and Ireland deepens" - The Guardian (See also: "The Fight Over A Shitty Rock" - Greg Noone, Hakai Magazine.)