【摘 要】
：
美国国防部目前披露了一项正在进行的无人驾驶战斗机研制计划。这种被称为X－45A的无人战机(UCAV)的研制始于1997年，最近美国波音公司在圣路易斯兰姆机场向观众展示了样机：机长27
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美国国防部目前披露了一项正在进行的无人驾驶战斗机研制计划。这种被称为X－45A的无人战机(UCAV)的研制始于1997年，最近美国波音公司在圣路易斯兰姆机场向观众展示了样机：机长27英尺，宽30英尺，重3630公斤。外观酷似风筝或美国现有的隐形轰炸机F117A，它可以拆卸以后放在一
The U.S. Department of Defense is currently disclosing a plan for the development of an unmanned aircraft. This unmanned aircraft called the X-45A (UCAV) was developed in 1997, the United States recently Boeing demonstrated to the audience at St. Louis Airport: 27-foot aircraft, 30 feet wide and weighing 3,630 kg. Looks like a kite or the United States existing invisible bomber F117A, it can be removed after a
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