HMS Ultor
HMS "Ultor" (P53) was a Royal Navy U-class submarine built by Vickers-Armstrong at Barrow-in-Furness, launched in 1942, and part of the third group of the class. So far she has been the only ship of the Royal Navy to bear the name "Ultor". Career. During the Second World War, "Ultor" operated in the Mediterranean Sea, where she sank the French ship "Penerf", the Italian auxiliary minesweeper No.92/"Tullio", the Italian merchant "Valfiorita", the Italian torpedo boat , the German merchant "Aversa" (the former Greek "Kakoulima"), the German sailing vessel "Paule", the German guardvessel "FCi 01", the  German patrol vessel "SG-11" (the former French "Alice Robert"), the German tug "Cebre", the German tankers "Felix 1" and "Tempo 3" (the former Greek "Pallas"), the German auxiliary patrol vessel "Vinotra III" and the German auxiliary submarine chaser UJ 2211/"Hardy". "Ultor" also sank nine sailing vessels in the Mediterranean. "Ultor" also unsuccessfully attacked the German-controlled French merchant "Condé" and the former Danish, German merchant "Nicoline Maersk", the German auxiliary minelayer "Niedersachsen" and the German netlayer "NT 38". She also damaged a French fishing vessel and torpedoed and damaged the German (former French) tanker "Champagne". The damaged tanker was beached  and later torpedoed again by . By 19 October 1943, when "Aversa" was sunk, "Ultor" had fired 68 torpedoes of which 32 were hits (47%), the highest proportion of hits made by any submarine commander up to that time. At this time she was under the command of George Hunt. "Ultor" survived the war and returned to the shore establishment at Gosport, and after a brief refit joined the 6th Flotilla at Blyth. When Blyth was closed "Ultor" went around to Rothesay, with the depot ship . She spent some time as an ASDIC training target, then was put into reserve at  Londonderry. She was finally broken up at Briton Ferry, in January 1946.