During the pasttwo decades, several teams have developed and tested remote-controlled scienceplanes, and NASA already flies the smaller Predator B — also of military origin— over western US wildfires.
在过去二十年间,许多团队都在研发测试远程控制的科研用飞机。 曾在美国西部上空执行任务,原为军用飞机的「捕食者B」经过国家航空航天局修整改进,更加精巧完善。