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Written question asked by Alan Brown (Scottish National Party) on Wednesday, 25 November 2015, in the House of Commons. It was due for an answer on Monday, 30 November 2015 (named day). It was answered by Philip Dunne (Conservative) on Monday, 30 November 2015 on behalf of the Ministry of Defence.


Trident Submarines

Question

To ask the Secretary of State for Defence, what estimate he has made of the additional costs of maintenance and other in-service costs that will be incurred by retaining the Vanguard submarines in service for approximately five years longer than envisaged in the 2010 Strategic Defence and Security Review.

Answer

As set out in the 2010 Strategic Defence and Security Review, we have assessed that we can safely manage and maintain the Vanguard boats until the Successor submarines are introduced into service in the early 2030s. The marginal costs associated with maintaining the submarines can be contained within the existing running cost of the deterrent, which is around 6% of the defence budget per year.


Secondary information

Type
Written question
Reference
17622
Session
2015-16
Related items
Trident Submarines
Monday, 14 December 2015
Written questions
House of Commons
Grouped for answer
Yes
Subjects
Costs Repairs and maintenance Trident submarines
Contains statistics
Yes
Link
View this Written question on www.parliament.uk