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Defence Nuclear Organisation
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| Agency overview | |
|---|---|
| Formed | 2016[1] |
| Jurisdiction | United Kingdom |
| Headquarters | MoD Main Building, Whitehall |
| Employees | Over 450 |
Minister responsible | |
Agency executive |
|
Parent agency | Ministry of Defence |
| Website | www |
The Defence Nuclear Organisation (DNO) is one of the seven top level budget holders within the United Kingdom's Ministry of Defence (MOD). The organisation was formed in 2016, in order to oversee the MOD's nuclear enterprise.
Staff are primarily based at the organisation's headquarters in the MOD Main Building in Whitehall, with over 300 staff also based at MOD Abbey Wood in Bristol, RNAD Coulport in Argyll, and the Atomic Weapons Establishment near Reading.[2]
Functions
[edit]The Defence Nuclear Organisation primarily serves to oversee the Ministry of Defence's Defence Nuclear Enterprise, which in particular provides the United Kingdom's continuous at sea deterrent.[3]
Defence Nuclear Enterprise
[edit]The Defence Nuclear Enterprise includes the Submarine Delivery Agency and the Atomic Weapons Establishment, and the nuclear-related costs of parts of the Military Strategic Headquarters, particularly in the Royal Navy.[4] This includes, the scientific research surrounding the nuclear program, the delivery of nuclear warheads, providing appropriate infrastructure for the program, and disposing of nuclear assets.[2]
About 20% of the MOD budget was spent on the DNE in 2025–26, as a ring-fenced budget, with a projection that this proportion will continue to increase to between 20% and 25% of the MOD budget.[4]
The nine most costly Defence Nuclear Enterprise programmes, each of which has a whole-life cost exceeding £10 billion, are:[5][6]
- Astute-class submarines
- SSN-AUKUS
- Astraea nuclear warhead
- Dreadnought-class submarines
- Future Materials Campus at Atomic Weapons Establishment Aldermaston
- HMNB Clyde Transformation Programme
- Nuclear Core Production Capability at Rolls-Royce Submarines in Raynesway, Derby
- Nuclear Fuels Programme (in early development phase)
- Submarine Build Modernisation at BAE Systems Submarines
References
[edit]- ^ "House of Commons Committee of Public Accounts – Ministry of Defence nuclear programme – Sixty-First Report of Session 2017–19" (PDF). p. 10. Retrieved 25 March 2021.
- ^ a b "About us – Defence Nuclear Organisation". Retrieved 26 March 2021.
- ^ "House of Commons Committee of Public Accounts – Ministry of Defence nuclear programme – Sixty-First Report of Session 2017–19" (PDF). p. 6. Retrieved 26 March 2021.
- ^ a b "MoD follow-up Spring 2026". Public Accounts Committee. UK Parliament. 7 June 2026. pp. 11–12. HC 95. Retrieved 12 June 2026.
- ^ Pollard, Luke (8 June 2026). "Defence Nuclear Enterprise". Hansard. UK Parliament. UIN 7775. Retrieved 12 June 2026.
- ^ "Defence Nuclear Enterprise 2025 Annual Update to Parliament". Ministry of Defence. 22 May 2025. Retrieved 12 June 2026 – via gov.uk.
External links
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