HMS Duncan (F80) HMS Duncan (F80) HMS "Duncan" was the fifth RN ship named after Admiral Adam Duncan. She was a of the Royal Navy that served in the Cod Wars. From her first commissioning in 1958 until 1965 "Duncan" was the leader of the Fishery Protection Squadron. She was involved in the First Cod War between United Kingdom and Iceland over fishing rights, intervening between the Icelandic coastguard and British trawlers. She was an escort to the royal yacht in August 1960. In 1964 "Duncan" fired the salute at the opening of the new Forth Road Bridge. The frigate also visited Nantes
Cod fishing in Newfoundland had decreased by at least 75% in all stocks, by 90% in three of the six stocks, and by 99% in the case of 'northern' cod, previously the largest cod fishery in the world. After a 10-year moratorium on fishing begun in 1992, the cod had still not returned. It was thought that the local ecosystem might have changed, one possibility being that greater numbers of capelin, which used to provide food for the cod, might be eating the juvenile cod. The waters appeared to be dominated by crab and shrimp rather than fish. However, by 2011 it became apparent