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The BL 5.5 inch Gun was a British artillery gun introduced during the middle of the Second World War to equip medium batteries. ==History== In January 1939 a specification was issued for a gun to replace the 6 inch 26 cwt howitzers in use with most medium batteries. The first units were equipped in UK in the summer of 1941 and in North Africa a year later, 20 guns equipped British and Free French batteries at El Alamein. Subsequently it also equipped Canadian, Australian, South African, Polish and Indian regiments, and after the war, it was also used by New Zealand. In the Second World War the normal organisation was a regiment of 16 guns organised into two batteries. The 5.5 was retained in service after the war. It was used by the Royal Artillery on operations in Korea, South Arabia and Borneo. It was probably used by the Indian Army in wars against Pakistan, and was used by the Pakistan Army against India in the mountains of Kashmir during the Kargil War of 1999. The South African Defence Force used it extensively in the early stages of the South African Border War, including Operation Savannah, calling it the G2. Approximately 72 are still held in reserve by the South African Army.〔()〕 In British post-war service it also replaced the BL 4.5 inch Medium Field Gun When 6-gun batteries were introduced in the late 1950s, medium regiments had 18 guns and the third battery in each field regiment was equipped with 5.5 inch guns instead of 25 pounder guns. It remained in UK service with Territorial Army regiments until 1980 and in Australian service until replaced by M198 in about 1984. The UK replacement for 5.5 inch was the FH-70 155 mm towed howitzer, in service as L121. The last 5.5 rounds were fired in the UK in 1995. In use, the 5.5 was generally towed by the AEC Matador artillery tractor. From the 1950s in British service, the 5.5 was typically towed by an AEC Militant Mk 1 6x6 truck and subsequently the FV 1103 Leyland Martian 6x6 Medium Artillery Tractor . All 5.5 guns were manufactured in the UK. 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「BL 5.5-inch Medium Gun」の詳細全文を読む スポンサード リンク
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