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美国国防部计划从1998—2O01年的四年中为无人机拨款12亿美元.在1997财年国防部申请的无人系统的经费中,无人机计划为3.08亿美元,其中包括用于购买两架新无人机的费用6000万美元.美国目前正在研制的无人机有战术无人机,中空长航时无人机“掠夺者”,高空长航时无人机蒂尔2+及蒂尔3-“暗星”等.1993年10月,特里达因·瑞安公司获得1.64亿美元的合同,以继续其蒂尔2+的研究工作.研究工作需要31个月时间.国防部空中侦察办公室要求,每架蒂尔2+的价格为1000万美元(以1994财年的价格计算).此外,洛克希德·马丁公司作为总承包商得到1.2亿美元的合同,研制两架蒂尔3-(暗星)样机,其单价也不得超过1000万美元.
The U.S. Department of Defense plans to allocate 1.2 billion U.S. dollars for drones for four years from 1998 to 2005. In the 1997 unmanned system funded by the Department of Defense, drones were planned to receive 308 million U.S. dollars, including The cost of purchasing two new UAVs is US$60 million. UAVs currently being developed in the United States have tactical drones, hollow long-endurance drone “predators”, and high-altitude long-endurance UAVs Tiel 2+ And Tyre 3 - “Dark Star” and so on. In October 1993, Tridain Ryan Corporation received a contract of 164 million U.S. dollars to continue its research work on Tiel 2+. Research work takes 31 months. The Air Reconnaissance Office requested that the price of each Tiel 2+ be US$ 10 million (calculated at the price of FY 1994). In addition, Lockheed Martin will receive a contract of US$ 120 million as a general contractor to develop two aircrafts. Tyre 3- (dark star) prototype, its unit price must not exceed 10 million US dollars.