fourth patrol, and shot down a P-51 Mustang aircraft on her final patrol. First patrol U-155 left Kiel on her first patrol on 7 February 1942. Her route took her 'up' the North Sea, through the gap between the Faroe and Shetland Islands and into the Atlantic. South of Cape Farewell in Greenland, she sank and Adellen on the 22nd. She then moved on to the US east coast, sinking the about off Cape Hatteras, North Carolina on 7 March. On the tenth, the First Watch Officer (1WO) Oberleutnant zur See Gert Rentrop was washed overboard. The boat docked at the Lorient U-boat base on the Atlantic coast of German-occupied France on March 27. Second patrol Having left Lorient on 24 April 1942, U-155 steamed to the eastern Caribbean Sea and that portion of the Atlantic adjacent to it. She attacked Brabant southwest of Grenada on 14 May. The ship sank in eight minutes. The U-boat sank another six ships; one of them, Sylvan Arrow, was torpedoed on 20 May, but did not go down until the 28th, following a salvage attempt. The submarine returned to Lorient on 14 June. Third patrol U-155s third and most successful foray was conducted in similar waters to her second effort, beginning in Lorient on 9 July. She sank Barbacena with torpedoes east of Barbados, but others, such as Piave, went to the bottom with the more economic deck gun. Another victim, Cranford, met her end within three minutes. Part of her cargo was 6,600 tons of chrome ore. Two injured survivors were treated on U-155 before water, supplies and directions were handed over to their colleagues. The submarine's skipper apologized for sinking one ship (Empire Arnold on 4 August), to the Chief Officer, who told him it was a bad business and wished it [the war] was over. Piening replied: "So do I". Maschinengefreiter Konrad Garneier was lost overboard during an air attack on 19 August. In all, the boat sank ten ships, a total of 43,514 GRT. Fourth patrol Three of a spread of four torpedoes hit targets, one aal (eel: U-boat slang for torpedo), damaged , a US Navy-requisitioned cargo transport; two others sank escort carrier and the British troop transport Ettrick on 15 November 1942 northwest of Gibraltar. Of 526 men on Avenger, there were 12 survivors. Ettricks master was awarded the Order of the British Empire (OBE). The boat