** FILE ** In this Aug. 8, 2012, file photo, all shapes and sizes of drones fascinate visitors at the Association of Unmanned Vehicles Systems International conference in Las Vegas. (Martin S. Fuentes/Special to The Washington Times)

** FILE ** In this Aug. 8, 2012, file photo, all shapes and sizes of drones fascinate visitors at the Association of Unmanned Vehicles Systems International conference in Las Vegas. (Martin S. Fuentes/Special to The Washington Times)