US Drones
FILE - In this Jan. 31, 2010 file photo an unmanned U.S. Predator drone flies over Kandahar Air Field, southern Afghanistan, on a moon-lit night. Drones are often called the weapon of choice of the Obama administration, which quadrupled drone strikes against al-Qaida targets in Pakistan's lawless tribal areas, up from less than 50 under the Bush administration to more than 220 in the past three years. (AP Photo/Kirsty Wigglesworth, File)
