History of the North Sea claimed no more than narrow coastal waters. In the last few decades things have changed. The countries bordering the North Sea all claim the twelve nautical miles (22 km) of territorial waters within which they have, for example, exclusive fishing rights. Iceland, however, as a result of the Cod Wars has exclusive fishing rights for from its coast, into parts of the North Sea. The Common Fisheries Policy of the EU exists to coordinate fishing rights and assist with disputes between EU states and the EU border state of Norway. After the discovery of mineral resources in the North Sea,
USS Cod use the same vertical ladders and hatches that were used by her crew. Cleveland can claim partial credit as "Cod"'s birthplace, since the submarine's five massive diesel engines were built at the General Motors Cleveland Diesel plant on Cleveland's west side. In addition, she also has unique attractions such as the 5 inch deck gun that still can be rotated by visitors and mock fired by "Cod"s volunteer crew. The "Cod" 's Mark IV Torpedo Data Computer is also fully restored, as well as other various parts on the submarine. The "Cod" memorial acquired two General Motors Model 248 engines