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HMS Jackal (F22)
HMS ''Jackal'' was a J-class destroyer of the Royal Navy. Completed in 1939, ''Jackal'' served in the Norwegian campaign and the Dunkirk evacuation before being deployed to the Mediterranean in 1941. ''Jackal'' took part in the Battle of Crete, and was scuttled after being heavily damaged by German bombers on 12 May 1942.
==Construction and design==
HMS ''Jackal'' was ordered, along with the rest of the J class, on 25 May 1937,〔Whitley 2000, p. 118.〕 and was laid down by John Brown and Company, Limited, at Clydebank in Scotland on 24 September 1937, launched on 25 October 1938 and commissioned on 13 April 1939,〔Whitley 2000, p. 117.〕 the first of the J class to be completed.〔
As completed, ''Jackal'' had a main gun armament of six QF Mark XII guns in three twin mountings, two forward and one aft. These guns could only elevate to an angle of 40 degrees, and so were of limited use in the anti-aircraft role, while the aft mount was arranged so that it could fire forwards over the ship's superstructure to maximise the forward firing firepower, but was therefore incapable of firing directly aft. A short range anti-aircraft armament of a four-barrelled 2 pounder "pom-pom" anti-aircraft mount and eight .50 in machine guns in two quadruple mounts was fitted, while torpedo armament consisted of ten torpedo tubes in two quintuple mounts.〔Whitley 2000, p. 117–118.〕
In an attempt to strengthen its anti-aircraft armament, one of ''Jackal''s banks of torpedo tubes was removed in favour of a single 4 inch Mk V anti-aircraft gun, while four Oerlikon 20 mm cannon replaced the .50 in machine guns.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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