Since the first drone strike outside an armed conflict happened in Afghanistan in 2001, much of drone use has been subject to continuous controversies.
The use of armed drones can blur legal justifications for using force, and transfer the costs of conflict to civilians. Without transparency, there can be no accountability when something goes wrong.
Because there is not enough information publicly available on armed drones, criticism abounds, but European nations can play a crucial role in shaping the norms on drone use.
This animation supports a Chatham House research paper with specific policy recommendations.