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Nuclear Weapons: Costs

Question for Ministry of Defence

UIN 21808, tabled on 24 June 2021

To ask the Secretary of State for Defence, what estimate he has made of the cost of building a new replacement warhead.

Answered on

30 June 2021

As the replacement warhead is in its early preliminary phases it is too early at this stage to provide a cost estimate. I am however able to provide information relating to completed financial years. The Ministry of Defence spent £116 million up to the end of the financial year (2018-19). A total of £98 million was spent on the Replacement Warhead readiness phase over the subsequent two financial years (2019-20 and 2020-21).

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