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Question follow-through · 535

Defence: Finance

To ask the Secretary of State for Defence, when he plans to publish the Defence Investment Plan.

answeredMinistry of Defence

About this written question

A written question asks a government minister for information in writing. Parliament publishes the question and any answer.

Answering body
Ministry of Defence
Tabled
13 May 2026
Target answer date
18 May 2026
Answer
18 May 2026 · 5 calendar days after tabling

Elapsed calendar days describe the record timeline, not whether Parliament considers an answer on time.

More questions by this MP on Defence and foreign affairs

Shared topic keywords suggest a connection; they do not establish a follow-up.

Votes on this topic

These Commons divisions share a topic label. The question did not necessarily lead to a vote.

Recorded timeline

  1. 13 May 2026

    Question tabled

    To ask the Secretary of State for Defence, when he plans to publish the Defence Investment Plan.

  2. 18 May 2026

    Target answer date

    Date supplied by the official written-questions record.

  3. 18 May 2026

    Answer published

    We will publish the Defence Investment Plan (DIP) as soon as we can. We must take sufficient time to ensure that decisions in the DIP are robust and drive the necessary transformation of our Armed Forces described in the Strategic Defence Review.

Open official record

Official data retrieved 28 Sept 2026.

Later records

Possible follow-up questions

Strong links require the same MP, department and exact heading. Other same-department questions are shown as unreviewed candidates, not as confirmed follow-ups. No debate link is asserted unless a stable source relationship exists.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Type 83 Destroyers: Procurement

14 May 2026 · To ask the Secretary of State for Defence, what progress he has made on the Type 83 design process; and whether it will be ready by 2038.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Minesweepers

14 May 2026 · To ask the Secretary of State for Defence, what steps his Department is taking to improve mine hunting capabilities.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Navy: Hospital Ships

14 May 2026 · To ask the Secretary of State for Defence, how many operational vessels are currently available to the Royal Navy with hospital or casualty receiving facilities.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Palantir: Disclosure of Information

14 May 2026 · To ask the Secretary of State for Defence, what data do Palantir’s Forward Deployed Engineers have access to within the Ministry of Defence.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Armed Forces: Complaints

14 May 2026 · To ask the Secretary of State for Defence, what percent of complaints made to a) the Service Complaints Ombudsman for the Armed Forces and b) the Armed Forces Commissioner were rejected in 2025.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

France: Software

29 May 2026 · To ask the Secretary of State for Defence, if he will make an assessment of the potential implications for his policies of the recent decision by the French Government to switch from using Microsoft Windows to Linux on government devices.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Nuclear Submarines: Decommissioning

29 May 2026 · To ask the Secretary of State for Defence, what steps his Department is taking to accelerate the disposal of decommissioned nuclear submarines.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Ministry of Defence: University of Sussex

29 May 2026 · To ask the Secretary of State for Defence, whether his Department owns land within the University of Sussex Campus.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Military Aid: Fire and Rescue Services

29 May 2026 · To ask the Secretary of State for Defence, whether he has made an assessment of the potential merits of tasking the Royal Air Force with providing a national aerial firefighting capability in the United Kingdom to combat wildfires.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Military Aircraft: Training

29 May 2026 · To ask the Secretary of State for Defence, what his planned timetable is for the first flight of the Tempest Combat Air Flying Demonstrator.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Military Aircraft: Training

29 May 2026 · To ask the Secretary of State for Defence, what is the a) cost to date and b) planned final cost of the Tempest Combat Air Flying Demonstrator programme.

Strong linkSame MP, department and exact heading

Defence: Finance

1 Jun 2026 · To ask the Secretary of State for Defence, which programmes have been removed from the Defence Investment Plan to expedite their delivery.