Question to the Ministry of Defence:

To ask the Secretary of State for Defence, with reference to the 2017 Defence Equipment Plan Report, published by his Department on 31 January 2018, how much of the planned £44 billion spending on submarines over the next decade will be spent on (a) support for Trafalgar and Astute Class submarines, (b) support for Vanguard Class submarines, (c) the delivery of Astute class submarines and associated activities and (d) building the Dreadnought class submarines and associated activities including the nuclear warhead capability sustainment programme.

The National Audit Office published a landscape review on the Defence Nuclear Enterprise on 22 May 2018. This includes more recent forecasts of expenditure across the enterprise broken down into submarine build, in-service support, and warhead programmes.

The details can be found in figures 3 and 12 of the report which is available at the following link:

https://www.nao.org.uk/wp-content/uploads/2018/05/The-Defence-Nuclear-Enterprise-a-landscape-review.pdf