The quantity of fissile material in a facility was more than 25% over the criticality limit.
Weapons latest news
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Four-fold increase in nuclear convoy problems from 2016 to 2019
MoD recently released figures in response to a Freedom of Information request.
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What do we know about the UK’s nuclear warhead plans?
A quick summary of what’s currently in the public domain.
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‘Trouble Ahead’ Review
Text of a presentation given at the Trouble Ahead launch event.
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Film Screening: Command and Control
Free Film Screening December 8th 7.30pm -9.30pm (92mins) followed by discussion time.
Reading International Solidarity Centre, 35-39 London Street, Reading RG1 4PS (Conference hall)
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Doubling of nuclear transports may indicate delivery of upgraded warheads
Nukewatch analysis suggest warheads are being loaded onto HMS Vengence
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Nuclear convoy breakdown causes 45 minute halt on motorway
A broken-down armoured personnel carrier caused a nuclear weapon convoy to halt for 45 minutes
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Video – Remembering West Dean
A video telling the story of one of the case studies in our new report
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New report highlights warhead convoy accident record
Convoys which transport the UK's Trident nuclear warheads have been involved in a series of collisions, breakdowns, and equipment failures, according to a new report by an award-winning journalist. The report, written by the Sunday Herald's Rob Edwards and published by the International Campaign for the Abolition of Nuclear Weapons (ICAN), puts a spotlight […]
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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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MoD side-steps nuclear transport hazard warning regulations
A secret decision to exempt Ministry of Defence nuclear transport arrangements from hazard warning legislation has been revealed as a result of questioning by Members of Parliament.
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Failures, delays, and mistakes exposed during MoD nuclear emergency exercises
Ministry of Defence personnel recover a casualty during a nuclear emergency exercise A series of mistakes, delays, and communication failures revealed in official assessment reports for nuclear emergency exercises have raised questions over the Ministry of Defence (MoD)'s ability to respond effectively to an accident involving a nuclear weapon. The reports reveal […]