Question to the Ministry of Defence:

To ask the Secretary of State for Defence, what joint exercises his Department has held with participants from the US National Nuclear Security Administration on rapid response to emergency nuclear incidents, including those potentially involving terrorists, in the last 12 months.

The Ministry of Defence has been involved in four joint exercises related to nuclear incidents with the US National Nuclear Security Administration in the last 12 months. This included Exercise DIAMOND DRAGON 2015, a joint UK/US nuclear emergency exercise testing our response to an emergency involving US aircraft carrying US nuclear weapons in the UK. The other three exercises focused on countering nuclear terrorism.