As Ukraine's war raises the profile of small drone threats, civilian and corporate organizations preparing for them are finding a key problem: There's not much they can do to stop one. In the US and Europe, private citizens and businesses are rarely allowed to shoot down or jam an uncrewed aerial vehicle , even if it is flying over their property and they believe the drone to be a nuisance, or worse, a threat. All they can do is watch for them. Many Western businesses and security firms are