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HMCS ''Border Cities'' was an that served in the Royal Canadian Navy during the Second World War. The ship served as a convoy escort in the Battle of the Atlantic. After the war she was discarded and broken up. The ship was named for Windsor, Ontario but due to conflicts with other ships with that name, the actual name of the ship was chosen to commemorate the city, instead of naming it directly. ''Border Cities'' was ordered 12 December 1941.〔(【引用サイトリンク】title=HMCS Border Cities (J366) )〕 The vessel was laid down on 26 August 1942 by Port Arthur Shipbuilding Company Ltd. at Port Arthur, Ontario and launched 3 May 1943.〔 The ship was commissioned into the Royal Canadian Navy on 18 May 1944 at Port Arthur.〔 ==Background== The class to which she belonged had been designed to overcome certain weaknesses which had been revealed in actual operation in the earlier . The relatively limited steaming radius of the ''Bangor''-class lessened its usefulness as the war progressed.〔It was pointed out at the 57th Meeting of the Naval Staff, 25 September 1941, that “the steaming radius of the Bangor Class Minesweeper was most disappointing (being only 2300 miles at 11 knots).” (Naval Staff Minutes, 57th Meeting, 25 September 1941 (Held by VCNS.) Quoted NHS 8000: MINESWEEPERS (BANGOR) GENERAL.)〕 With the laying of mines in ever-deeper waters, swept areas had to be extended and, for this, a ship with greater endurance was desirable. This class of ship, too, lacked the space to conveniently accommodate the new types of equipment which were being added. It was for these reasons that, in 1941, the Admiralty began to develop a ship which eventually supplanted the earlier minesweepers in the construction programmes and was known as the ''Algerine'' minesweeper first and, later, coastal escort.〔Tucker, p.67〕 Like the ''Bangor'' class, the ''Algerine'' was prepared to function either as an anti-submarine escort or a minesweeper. However, when it became apparent that the submarine posed a greater danger than the mine in the areas for which the Royal Canadian Navy was responsible, a greater emphasis came to be laid on the former.〔Tucker, p. 77〕 Again, compared to the ''Bangor'', the ''Algerine'' was a longer ship by 45 feet and it had over 1,500 miles greater endurance at 12 knots. It could therefore carry more men and equipment and had a longer range.〔 In October 1941, the Naval Service decreed that from thenceforth the ''Algerine''-class should be ordered for construction. Approval was given at the same time for the building of thirty frigates and ten of the ''Algerine''-class. Among the latter was ''Border Cities''. The entire Canadian contingent of the ''Algerine''-class was to be built by the Port Arthur Shipbuilding Co of Port Arthur, Ontario.〔Tucker, p. 509〕 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「HMCS Border Cities (J344)」の詳細全文を読む スポンサード リンク
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