Drones are back in the headlines, with the news that the Ministry of Defence plans to develop unmanned underwater vehicles for use in submarine warfare. Human rights groups have already raised concerns over the UK’s use of airborne military drones, which have played a key role in UK operations in Afghanistan since 2008. But drone technology is not limited to military uses: the deployment of ‘civilian’ drones, designed for use in home airspace, may be an emerging trend in UK policing.…