AdvertisementAs Drone Strikes Increase, So Do Concerns Over Use04:09Download AudioResumeJune 12, 2012Jackie NorthamfacebookEmailAn unmanned U.S. Predator drone flies over Kandahar Air Field in southern Afghanistan on Jan. 31, 2010. Drones have become the U.S. weapon of choice in the fight against terrorism. But as the technology of this new form of warfare improves, so do concerns about how others will use it in the future. (AP)