Why have unmanned aerial vehicles, or drones, proved to be effective in assisting Customs and Border Enforcement agents with securing our borders? Select all that apply.
UAVs are so inexpensive they can be deployed along both borders for less than the salary of a border patrol officer.
UAVs can be flown in any kind of weather and rarely, if ever, need maintenance.
UAVs are capable of surveillance over large stretches of border that are relatively inaccessible to agents in vehicles.
UAVs can be equipped with night vision cameras and thermal imaging devices that can identify the movement of people and contraband across the border in the middle of the night.
