History of the Royal Navy the GIUK gap. In the North Atlantic, the United Kingdom became engaged in a protracted dispute with Iceland over fishing rights. The Royal Navy, supported by tugs from the MAFF and British civilian trawlers, was involved in three major confrontations with the Icelandic Coast Guard from 1958 to 1976. These largely bloodless incidents became known as the Cod Wars, and ended with the recognition by Britain of Iceland's exclusive 200 nautical miles fishery zone. Chatham Naval Base was used for refitting nuclear submarines from 1963 but it closed in 1984. The most important operation conducted predominantly by the Royal Navy
Cod fisheries in Norwegian) has also been exported. The trade operations and the sea transport were by the end of the 14th century taken over by the Hanseatic League, Bergen being the most important port of trade. William Pitt the Elder, criticizing the Treaty of Paris in Parliament, claimed that cod was "British gold"; and that it was folly to restore Newfoundland fishing rights to the French. In the 17th and 18th centuries in the New World, especially in Massachusetts and Newfoundland, cod became a major commodity, forming trade networks and cross-cultural exchanges. In 1733, Britain tried to gain control over trade