Unmanned combat aerial vehicle (UCAV) has become an important menace in the future air defence battlefield.
未来防空战场上无人攻击机已成为一种重要的空中威胁。
The Northrop Grumman X-47B, the world’s first’s carrier-capable combat Unmanned Aerial Vehicle, flew for the first time in February.
诺斯罗普格鲁曼公司的X-47B是世界上第一架具备航母起降的无人攻击机，在二月份进行了首飞。
It was first flown in 2002 and was the first modern unmanned aerial vehicle to be designed for combat strike missions, according to the museum.
它首次飞行于2002年，第一届现代无人机作战，以打击任务是设计，根据博物馆。
It was first flown in 2002 and was the first modern unmanned aerial vehicle to be designed for combat strike missions, according to the museum.
它首次飞行于2002年，第一届现代无人机作战，以打击任务是设计，根据博物馆。
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