Bergen : European monopoly on drones is long gone ; fewer than 50 nations have them . He says drones will change warfare and lead to a new arms race . China , Israel , U.S. , European nations are among those with drones , he says . But without an international framework governing the use of drone attacks , the United States is setting a dangerous precedent for other nations with its aggressive and secretive drone programs in Pakistan and Yemen , which are aimed at suspected members of al Qaeda and their allies . Bergen : U.S. use of drones is setting a precedent without enough discussion of the legal issues .
Bergen : European monopoly on drones is long gone ; fewer than 50 nations have them . He says drones will change warfare and lead to a new arms race . China , Israel , U.S. , European nations are among those with drones , he says . Bergen : U.S. use of drones is setting a precedent without enough discussion of the legal issues .