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Nuclear Weapons: Costs

Asked by Ben Obese-JectyConservativeMinistry of DefenceTabled Answered 20 October 2025UIN 79351

The question

To ask the Secretary of State for Defence, what is the projected cost of Project Astrea in this Parliament.

Answered by Luke Pollard

Funding for the Astraea programme is included within the £15 billion investment in the sovereign nuclear warhead programme this Parliament, announced in the 2025 Strategic Defence Review. That investment also includes sustaining our current Mk4A warhead and modernising the associated infrastructure.

However, I am withholding the projected cost of the Astraea programme in this Parliament for the purpose of safeguarding our national security.

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