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The 2S7 ''Pion'' ("peony") or Malka is a Soviet self-propelled gun. "2S7" is its GRAU designation. It was identified for the first time in 1975 in the Soviet Army and so was called M-1975 by NATO (the 2S4 Tyulpan also received the M-1975 designation), whereas its official designation is SO-203 (2S7). Its design is based on a T-80 chassis carrying an externally mounted 2A44 203 mm gun on the hull rear. It takes the crew of seven men 5–6 minutes to come into action and 3–5 minutes to come out of action. It carries four 203 mm projectiles for immediate use. It is capable of firing nuclear ammunition. The gun has a range of 37,500 m, but this can be extended to 55,500 m by using RAPs (Rocket Assisted Projectiles). The Pion has been the most powerful conventional artillery piece since entering service in 1983. One interesting feature of the Pion is the firing alarm. Because the blast of the weapon firing is so powerful - it can physically incapacitate an unprepared soldier or crew member near it from concussive force - the Pion is equipped with an audible firing alarm that emits a series of short warning tones for approximately five seconds prior to the charge being fired. The 2S7 carries a crew of fourteen; seven are carried by the Pion and seven are with an auxiliary vehicle. The system carries four rounds of ammunition; four more rounds are carried by the support vehicle. Due to the long range, the crew can fire one or two rounds and leave position before the first round hits the enemy position over 40km away. This makes the 2S7 less susceptible to return fire,〔(【引用サイトリンク】publisher=Military Today )〕 from an enemy without an anti-artillery system such as ARTHUR. ==Variants== *2S7 Pion * *2S7M Malka - An improved variant, which entered service in 1983, that improved the gun's fire control systems, increased the rate of fire to 2.5 rounds per minute, and increased the ammunition load to eight projectiles.〔(【引用サイトリンク】title=Russian Military Forces - Aviation - Navy - Infantry firearms - Communications - Ground systems - Weapon photogallery )〕 *BTM-4 Trench Digger.〔(【引用サイトリンク】publisher=Military Today )〕 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「2S7 Pion」の詳細全文を読む スポンサード リンク
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