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The Oerlikon GDF〔http://weaponsystems.net/weapon.php?weapon=EE02%20-%20GDF〕 or Oerlikon 35 mm twin cannon is a towed anti-aircraft gun made by Oerlikon Contraves (renamed as ''Rheinmetall Air Defence AG'' following the merger with Rheinmetall in 2009). The system was originally designated as 2 ZLA/353 ML but this was later changed to GDF-001. It was developed in the late 1950s and is used by around 30 countries. ==Design & development== The system uses 35 mm auto cannons, which were originally designated 353 MK and are now designated as the KD series. The same KD series 35 mm cannons are used in the Leopard 1 based Gepard and Type 74 tank based Type 87 SPAAG and T-55 based Marksman self-propelled anti-aircraft guns. The system could be paired with the off-gun ''Super Fledermaus'' fire control radar, which in the late 1970s was upgraded to the ''Skyguard'' system. In 1980 an upgraded model, the GDF-002 was produced, which featured an improved sight, and the ability to be directed by an off-gun digital control system. A few years later a third version of the system was being produced, the GDF-003, which was broadly similar to the GDF-002, but included some enhancements like self-lubricating weapons and integrated protective covers. In 1985 a further upgraded model was produced, the GDF-005, which was introduced, featuring the ''Gunking'' 3D computer-controlled sight with an integrated laser range-finder and digital control system. The guns are usually transported by a 5-tonne 6×6 truck. 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「Oerlikon GDF」の詳細全文を読む スポンサード リンク
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