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几年来,美国军队已认识到对轻型可空运的防空系统的需要。随着美司令部快速展开部队的发展,这种需要更为突出。目前,装备这支部队的防空武器是M167A1牵引的火神防空系统(VADS)和安装在M113载人运输车上的M163 A1 VADS。M167A1和M163A1都有20毫米口径格林式火神自动机关炮。在部队的装备中379套M163A1和221套M167A1。随着越来越多的40毫米双口径约克中士防空系统的投入使用。许多M163A1将装成牵引结构。这和改装将和VADS火力控制硬件产品的改进同时进行。改进的VADS(PIVADS)将有一个改进的炮塔驱动器,其模拟式发射计算机将由数字处理机所代替,还将有一个定向式瞄准器。
For several years now, the U.S. military has recognized the need for a lightweight air-to-air defense system. This need is even greater with the rapid deployment of troops by the United States Command. At present, air defense weapons equipped with this unit are the V16S A1 VADS towed by the M167A1 and the M163 A1 VADS mounted on the M113 manned carrier. M167A1 and M163A1 have 20 mm Caliber Grim automatic fire cannon. 379 M163A1 and 221 M167A1 in the army’s equipment. With more and more 40-mm dual-caliber York Sergeant air defense systems in use. Many M163A1 will be installed as traction structure. This and modifications will be made simultaneously with improvements to the VADS Fire Control hardware product. The modified VADS (PIVADS) will have an improved turret drive with an analogue launch computer replaced by a digital processor and a directional sight.