** FILE ** An unmanned U.S. Predator drone flies over Kandahar Air Field in southern Afghanistan on a moonlit night in January 2010. (AP Photo/Kirsty Wigglesworth)

Photo by: Kirsty Wigglesworth

** FILE ** An unmanned U.S. Predator drone flies over Kandahar Air Field in southern Afghanistan on a moonlit night in January 2010. (AP Photo/Kirsty Wigglesworth)