, which had to return to the UK because of problems with her radar. The trawler Northern Foam, from Grimsby, had a boarding party of nine Icelandic officers and crew taken off her on 2 September. Before the trawler was boarded by Icelandic forces, an officer read out the punishments by megaphone to the crew. On the 16th, an attempt by ICGV Thor to board the trawler Red Lancer resulted in the Arctic Explorer—temporarily under the command of a Royal Navy Commodore who was visiting the ship at the time—coming to Red Lancers assistance. Explorer was flanked by Lagos and , two destroyers, and forced the boarding party from Thor to retreat. Explorer was presented with the Commodore's pennant as a memento of the incident. In another incident, on 7 October, naval surgeons managed to amputate six fingers from an injured fisherman from the trawler Loch Inver. The operation was performed aboard , in the officer's mess, as Iceland had forbidden sick and injured men to be landed at Icelandic ports. By the end of the first war, the squadron was recorded to have given assistance on 360 occasions. After the war, there was some experimentation with hovercraft, which were planned to be armed with several machine guns and capable of . Four hovercraft—with a crew of 18 each—would have been able to take on the duties of six minesweepers, each with a crew of 35. Because of the limited range and poor sea-keeping qualities of hovercraft, however, these plans were quickly abandoned in favour of regular craft. 1960s In 1967, the Fishery Protection Squadron consisted of three divisions: First or Arctic Division Four Type 14 frigates: , , and . This division was responsible for patrolling northern Norway, the Faeroes, Greenland, the White Sea and the Barents Sea. Second or Home Division Consisting of four coastal minesweepers, this division patrolled the North Sea, Irish Sea and Scottish coastal waters. Third or Channel Division The smallest division, consisting of converted inshore minesweepers HMS Squirrel and HMS Watchful. It patrolled the English Channel, arresting poachers and illegal fishing ships from France and Belgium. 1970s and the second and third Cod Wars On 1 September 1972, Iceland again expanded her maritime exclusive economic zone, this time to . This provoked another dispute, eventually escalating to further armed conflict between the UK and Iceland. Iceland's expansion was recognised by fishermen from all nations