The details of the plan do not fully address concerns about proliferation risks and submarine-building capacity.
UK bilateral cooperation latest news
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Extreme Circumstances: The UK’s new nuclear warhead in context
This new research report gathers together all available information from UK and US sources on the replacement nuclear warhead programme.
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New report – Extreme circumstances: The UK’s new nuclear warhead in context
Out now!
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AUKUS submarine deal erodes non-proliferation norms
Current indications are that the new submarines will run on Highly Enriched Uranium Fuel.
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23 nuclear flights between UK and US in five years
Military nuclear materials are flown across the South of England and South Wales around four times a year on average, according to new information revealed by the Ministry of Defence (MoD) in answer to a Parliamentary Question. The materials, in transit between the USA and the UK, are essential to the UK's nuclear weapons and […]
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Joint US-UK research programme demonstrates feasibility of disarmament monitoring and verification
After fifteen years of study, the United States and the United Kingdom have concluded that the monitoring and verification of nuclear warhead disarmament is 'feasible' – removing a barrier on the path to a world without nuclear weapons.
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UK – France co-operation on nuclear weapons set to deepen as France’s Laser Mégajoule becomes operational
The first experimental firing of France's new nuclear test superlaser took place at the end of October, allowing French – and British – nuclear weapons scientists to test warhead components and materials as part of research work aimed at sidestepping international arms control measures.
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Extension of US-UK nuclear co-operation arrangements will support Trident replacement
Britain is stepping up co-operation with the USA over its Trident nuclear weapons programme under the terms of a controversial agreement between the two nations which allows the sharing of nuclear technology. The US-UK Mutual Defence Agreement (MDA), one of the most important agreements underpinning the military “special relationship” between the US and the UK, […]
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Obama approves renewal of secret US-UK nuclear weapons agreement
A controversial treaty which allows the transfer of nuclear weapons technology between the USA and the UK has been given top-level go-ahead for renewal for a further ten years.
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Summary Briefing: REFORM NOT RENEWAL: The US-UK Mutual Defence Agreement- How it works and why it needs to be reformed.
A controversial agreement which allows nuclear weapons technology to be shared between the United States of America and the United Kingdom undermines global non-proliferation efforts and should be reformed to make it relevant to work aimed at preventing the spread of nuclear weapons.
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UK and France extend warhead research collaboration into new areas
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How Britain and France can lead the way on openness in nuclear weapons research
A new approach to disclosure on stockpile stewardship experiments will help assure the world that the two nations are not cheating on their disarmament obligations.