Written questions

Nuclear Submarines: Procurement

2026-06-21 · Ministry of Defence · 11885 · Official question

Ben Obese-Jecty

Question

To ask the Secretary of State for Defence, pursuant to the answer of 11 June 2026 to question 7775 on Defence Nuclear Enterprise, what the a) whole life cost, b) 2025/26 cost and c) 2026/27 budget is for the SSNA Programme.

Answer

The SSN-AUKUS programme is in the Detailed Design and Long Lead (D2L2) phase, with contracts totaling around £4 billion having been placed. The Ministry of Defence publishes annual Defence Nuclear Enterprise expenditure, including by financial year, in th...