最近，美国国防预研计划局（Darpa）提出的微型无人机（MAV）计划已经开始喜结硕果，4种15．24厘米（6英寸）长的微型无人机已经开始进入飞行试验阶段。其中两种为固定翼飞机设计市局，另外两种分别为直升机和扑翼飞机设计布局。前者分别由洛克希德·桑得和AeroVironment公司研 Recently, the MAV program proposed by the Defense Advanced Research Projects Agency (Darpa) is beginning to bear fruit. Four 15.24 cm (6 inches) long miniature UAVs have begun their flight test phase. Two of them are fixed-wing aircraft design City Council, the other two were helicopters and flapping-wing aircraft design layout. The former were studied by Lockheed Sand and AeroVironment respectively