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 Wars would generally protect the British trawling fleet. Over the course of this Cod War, a total of 32 British frigates had entered the contested waters. On 19 July 1974, more than nine months after the signing of the agreement, one of the largest wet fish stern trawlers in the British fleet, "C.S. Forester", which had been fishing inside the limit, was shelled and captured by the Icelandic gunboat V/s "Þór" after a pursuit. "C. S. Forester" was shelled with non-explosive ammunition after repeated warnings. The trawler was hit by at least two rounds, which damaged the engine room and a