Defence Nuclear Material Transport Operations

Defence Nuclear Material Transport Operations refer to the movements of military Defence Nuclear Materials (DNM) within, to and from the United Kingdom. Defence Nuclear Material Transport Operations are also known as DNM Transportation; Defence Nuclear Material in transit; Nuclear movements; and DNM movements.

The Special Escort Group of the Ministry of Defence Police, SEG (MDP), escort the nuclear materials and remain on standby during their transit. Immediate Response Forces (IRF) are embedded within the road and rail transports, and on standby with air transports.

Defence Nuclear Materials are moved using the following transport means:

  • Trident nuclear weapons, special nuclear material (SNM) and new submarine reactor fuel are transported by road.
  • Used reactor fuel from Royal Navy submarines is transported by rail (and may involve a short road journey to the railhead).
  • SNM is also moved by air, as are US nuclear weapons.

Trident warheads are also transported to weapons facilities in the US where they are inspected to make sure that ageing materials don't render them unreliable or unstable. This is via submarine to the US Trident submarine base at Kings Bay, Georgia.

Read more about Defence Nuclear Material Transport Operations:  Nuclear Weapon Transport By Road, Special Nuclear Material (SNM) Transport By Road, New Reactor Fuel Transport By Road, Nuclear Weapon and SNM Transport By Air, Used Reactor Fuel Transport By Rail, Used Reactor Fuel Transport By Road, Accident and Terrorism Risks

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