Unmanned aircraft, or drones, are widely used by the US against foreign targets. <br /><br />But their use inside the United States is more controversial. Privacy advocates worry that drones in America's skies will result in a surveillance society.<br /><br />That has led the city of Charlottesville to ban the use of drones in its airspace. <br /><br />Al Jazeera's Kimberly Halkett reports from the city.
