Drone aircraft Moral and ethical aspects Government policy 18 Targeted killing 11 War 11 Military policy 9 Military ethics 7 more ... Military robots 7 History 6 Robotics 6 Military applications 5 National security 5 Terrorism 5 Prevention 4 Air warfare 3 Law and legislation 3 Political aspects 3 Bombing, Aerial 2 Counterinsurgency 2 Drohne 2 Ethik 2 Evaluation 2 Forecasting 2 Military intelligence 2 Military weapons 2 Social aspects 2 Technological innovations 2 Uninhabited combat aerial vehicles 2 Uninhabited combat aerial vehicles (International law) 2 War (Philosophy) 2 less ...