Nuclear Accident Response Organisation

HQ Defence Nuclear Emergency Operations (DNEO)[1] is maintained by the UK Ministry of Defence (MOD) to respond to an accident or incident, including one arising through terrorist acts, involving defence nuclear assets. Defence Nuclear Assets include: Naval Nuclear Reactors; to include all operational Royal Navy submarine reactors Defence nuclear reactor fuel Nuclear Weapons and radioactive components Radioactive material on defence nuclear sites, which warrants implementation of the site emergency arrangements The aim of the HQ DNEO is to ensure an effective UK Government level response to a defence nuclear emergency.

Source: Wikipedia — Nuclear Accident Response Organisation (CC BY-SA 4.0)