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The BMD-1 is a Soviet airborne amphibious tracked infantry fighting vehicle, which was introduced in 1969 and first seen by the West in 1970. BMD stands for ''Boyevaya Mashina Desanta'' (Боевая Машина Десанта, literally "Combat Vehicle of the Airborne").〔. Retrieved on 20 September 2011.〕 It can be dropped by parachute and although it resembles the BMP-1 it is in fact much smaller. The BMD-1 was used as an IFV by the Soviet Army's airborne divisions. An improved variant of the BMD-1 was developed, the BMD-2. The BMD-1 also provided a basis for the BTR-D airborne multi-purpose tracked APC. ==Development== In the wake of the Cuban Missile Crisis, the army was instructed to consider putting more emphasis on means to project power outside of the normal sphere of Soviet influence. As a result, there was a major effort to develop the VDV (Soviet airborne forces) as a rapid deployment force. Soviet studies of airborne operations had shown that lightly armed paratroops were unable to deal with armoured forces. Also, in the early 1960s, the BMP-1 infantry fighting vehicle was being developed. Before the BMP-1 entered service in 1966, the Soviet Army high command decided to equip the newly created airborne divisions with similar vehicles. The use of Antonov An-12 aircraft at the time of the BMD development allowed the transport of only light armoured vehicles for an airborne drop that weighed less than seven tons. Because the existing BMP-1 weighed 13 tonnes, it was effectively ruled out of being considered for the VDV service. The task of designing the BMD fell to the Volgograd Tractor Factory, which had produced an unsuccessful competitor to the Ob'yekt 764 that eventually became the BMP-1 – the Ob'yekt 914. The BMD design, Ob'yekt 915, was basically a trimmed down version of the Ob'yekt 914 – smaller, lighter aluminium armour, while retaining the 73 mm 2A28 "Grom" low pressure smoothbore short-recoil semi-automatic gun. The compromise made is the extremely cramped crew compartment. Development started in 1965 and trials began in 1967. A limited production began in 1968. After operational trials, it was commissioned on 14 April 1969〔 and serial production started in 1970, although the vehicle weighed 500 kg more than what the requirements stated (7.5 tonnes and 13.3 tonnes when loaded with equipment). Starting from 1977 a new modernized vehicle received a designation BMD-1P following adoption of the new 9P135M-1 ATGM launcher instead of 9S428 ATGM launcher, firing the 9M113 Konkurs (AT-5 Spandrel) and 9M111M Fagot or 9M111-2 (standard load: two 9M113 and one 9M111M missiles). Most of older BMD-1s were subsequently modernized this way.〔 In 1983, based on the combat experience in Afghanistan, a decision was made to produce a new variant of the BMD with a weapon capable of engaging targets such as those faced by the airborne troops in that conflict. This resulted in "Ob'yekt 916", which later became the BMD-2. A lengthened BMD-1 chassis served as the basis for the BTR-D airborne multi-purpose tracked APC, which itself served as a basis for many specialized airborne vehicles. 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「BMD-1」の詳細全文を読む スポンサード リンク
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