在他面前的长椅上放着一个微型飞机模型，同英国各地的飞行器爱好者们每个周末遥控驾驶的飞机颇为相似。
On the bench in front of him is a miniature aircraft, similar to those flown by enthusiasts every weekend around the UK.
这些遥控飞行器一般是由步兵用弹射器、弹弓或者用手投掷发射，其数量要比大型无人机多得多。而大型无人机的数量又与有人驾驶飞机的数量相当。
These robots, typically launched by foot soldiers with a catapult, slingshot or hand toss, far outnumber their larger kin, which are the size of piloted aeroplanes.
但是最重要的海军遥控无人驾驶飞机是X47B，海军希望这架战役机将于2018年分开运载飞行器并着陆。
But the most important Navy drone is the X47B, a fighter plane that the Navy hopes will take off and land from an aircraft carrier by 2018.
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