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HMS ''Unshaken'' (P54) was a Royal Navy U-class submarine built by Vickers-Armstrong at Barrow-in-Furness. She has been the only vessel of the Royal Navy to bear the name ''Unshaken''. ==Career== After a period operating off the coast of Norway, ''Unshaken'' spent most of her wartime career in the Mediterranean. Whilst in northern waters, on 5 July 1942, ''Unshaken'' radioed in a sighting and an exact description of a heavy German force - including the ''Tirpitz'', ''Admiral Scheer'' and ''Admiral Hipper'' - at sea in pursuit of the ill-fated convoy PQ17 off north Norway. Hearing of these allied sighting reports (also made by the Russian submarine ''K-21'' and a Catalina patrol aircraft) through intelligence, Admiral Raeder cancelled the sortie, ordering the surface fleet to return to port and left the Luftwaffe and U-boats to attack the convoy. The convoy lost 24 ships out of 40, but it could have been even worse for the convoy if the heavy force had remained at sea. ''Unshaken'' also sank the German merchant ''Georg L.M. Russ'' off southern Norway, before being reassigned to the Mediterranean in late 1942. Serving in the Mediterranean, she sank the Italian merchant ships ''Foggia'' and ''Pomo'' (the former Yugoslavian ''Nico Matkovic''), the Italian torpedo boat ''Climene'', the Italian sailing vessel ''Giovanni G.'', the Italian auxiliary patrol vessel No 265 / ''Cesena'', and the Italian troop transport ''Asmara''. She also damaged the Italian tanker ''Dora C.''. She launched unsuccessful attacks against the French merchantman ''Oasis'', the Italian merchant vessels ''Pomo'', ''Nina'' and ''Campania'', and the French passenger/cargo ship ''Cap Corse''. ''Unshaken'' had a narrow escape after she was attacked by four torpedoes launched by the Polish submarine ORP ''Dzik''. The Poles thought they were attacking an enemy submarine, but luckily the torpedoes missed their target. ''Unshaken'' captured the Italian submarine ''Menolti'' on the night that Italy ceased hostilities and escorted her to Malta. Lieutenant Commander Jack Whitton, ''Unshaken''s commander, ordered the boat to surface after her hydrophone operator reported 'high speed revs'. He then decided to board the Italian vessel as her bridge was crowded with people and could not dive quickly. A shot from the deck gun across the bows of the Italian submarine was followed by a return burst from an automatic weapon which was suppressed by machine gun fire from the British boat. ''Unshaken'' then came alongside the ''Mentoli'' and a boarding party secured the conning tower hatch to prevent her from diving. There followed a robust verbal exchange in which the Italian skipper wanted to go to Brindisi, whereas Whitton insisted on Malta. The situation looked as if it might turn ugly until the loaded deckgun was pointed at the Italian commander from a distance of about 13 ft (4m).〔Field Marshal Lord Carver - ''The War in Italy 1943-1945'', 2001, Sidwick and Jackson, ISBN 0 283 07294 6. pp. 60-62〕 After returning to home waters in mid-1944, ''Unshaken'' sank the German merchant ''Asien'' off Lista in Norway. ''Unshaken'' survived the war and was scrapped at Troon in March 1946. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「HMS Unshaken (P54)」の詳細全文を読む スポンサード リンク
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