Unmanned aviation systems, popularly known as drones, are playing an increased role in armed conflicts. They are used both for collecting intelligence and for deploying lethal force. In 2007 there were 74 U.S.drone strikes in Afghanistan. That year, there were five strikes in Pakistan. By 2012, the American military was executing an average of 33 drone strikes per month in Afghanistan, and the total number in Pakistan has now surpassed 330. Recently the United States has proposed further expanding its deployment of drones, developing plans to set up additional Predator drone bases in Africa that would allow these drones to cover much of the Saharan region.
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