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The 122mm D-74 towed gun is a Soviet built gun. Developed in the late 1950s it provided direct and indirect fire for the Soviet Army. Today it is in reserve units with the Russian Army. It is in active service with the Sri Lankan Army, the Egyptian Army and the Pakistani Army. ==History== The 122 mm (originally 48 lines) calibre has been in Russian service since the early 20th century. After World War II the Soviet Union developed two new long range guns to replace existing 122 mm and 152 mm guns such as 122 mm gun M1931/37 (A-19), 122 mm gun Model 1931, 152 mm gun Model 1910/30 and 152 mm gun Model 1935 (BR-2). The two new guns were the 122 mm D-74 and the 130 mm M-46. The D-74 design was probably initiated in the late 1940s and it was first seen in public in 1955. It was designed by the well established design bureau at Artillery Plant No. 9 in Sverdlovsk (now Motovilikha Plants in Yekaterinburg), led by the eminent artillery designer Fëdor Fëdorovich Petrov who was also responsible for several World War II and later artillery designs. The design team also developed the 152 mm gun howitzer D-20 at much the same time, and both D-74 and D-20 use the same carriage. Both the 122 mm D-74 and 130 mm M-46 entered Soviet service, but the heavier shell and greater range of the M-46 meant that it outlasted the D-74. 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「D-74 122 mm field gun」の詳細全文を読む スポンサード リンク
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