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Defence policy

  • Research Briefing

    Diego Garcia Military Base and British Indian Ocean Territory Bill 2024-25

    Monday, 13 October, 2025

    A briefing on the Diego Garcia Military Base and British Indian Ocean Territory Bill 2024-25.

    • Research Briefing
    • Defence policy
    • International law
    • Overseas territories
  • Research Briefing

    NATO: Reinforcing its eastern flank

    Monday, 13 October, 2025

    NATO has been increasing its military presence along its eastern borders since 2014 and in response to Russian action.

    • Research Briefing
    • Americas
    • Armed forces
    • Defence policy
    • Europe
    • International organisations
  • Research Briefing

    The E3 triggers snapback sanctions against Iran 2025

    Thursday, 25 September, 2025

    All UN sanctions against Iran lifted under the 2015 nuclear agreement will be reimposed on 28 September unless a new agreement can be reached.

    • Research Briefing
    • Defence policy
    • Middle East
  • Research Briefing

    2025 treaty on the British Indian Ocean Territory/Chagos Archipelago

    Monday, 08 September, 2025

    Under the agreement, the UK will cede sovereignty of the Chagos Archipelago to Mauritius but will pay for the right to operate the Diego Garcia military base

    • Research Briefing
    • Africa
    • Asia Pacific
    • Defence policy
    • International law
    • Overseas territories
  • Debate Pack

    Use of drones in defence

    Friday, 22 August, 2025

    A Westminster Hall debate on the use of drones in defence is scheduled for Wednesday 3 September 2025, from 9:30am to 11:00am. The debate will be led by Peter Fortune MP.

    • Debate Pack
    • Armed forces
    • Defence equipment and spending
    • Defence policy
  • Research Briefing

    Peace in Ukraine: What have the August 2025 talks achieved?

    Wednesday, 20 August, 2025

    A renewed diplomatic effort to agree peace in Ukraine is underway.

    • Research Briefing
    • Americas
    • Armed forces
    • Defence policy
    • Europe
    • Institutions
    • International law
    • International organisations
    • The EU
  • Research Briefing

    The cost of the UK’s strategic nuclear deterrent

    Tuesday, 12 August, 2025

    Since the acquisition of the UK's first strategic nuclear deterrent in the 1950s, the cost of procuring and maintaining it, and which Government department should finance it, has always been debated.

    • Research Briefing
    • Armed forces
    • Defence equipment and spending
    • Defence policy
    • International law
  • Research Briefing

    Replacing the UK’s Nuclear Deterrent: Progress of the Dreadnought Class

    Tuesday, 05 August, 2025

    As part of a programme to renew the UK's nuclear deterrent, four new Dreadnought class ballistic missile submarines will enter service in the 2030s.

    • Research Briefing
    • Armed forces
    • Defence equipment and spending
    • Defence policy
    • International law
  • Research Briefing

    AUKUS submarine (SSN-A) programme

    Tuesday, 05 August, 2025

    A major part of the AUKUS agreement between the UK, the US and Australia is the delivery of a conventionally armed, nuclear-powered submarine fleet for Australia. In March 2023 the AUKUS nations set out how that ambition would be achieved.

    • Research Briefing
    • Americas
    • Asia Pacific
    • Defence equipment and spending
    • Defence policy
  • Research Briefing

    The UK–EU reset: Next steps after the May 2025 summit

    Tuesday, 29 July, 2025

    At their joint summit in May 2025, the UK and EU agreed a new Security and Defence partnership and set out commitments to strengthen cooperation across a range of policy areas

    • Research Briefing
    • Defence policy
    • Energy
    • Environment
    • EU law and treaties
    • Europe
    • Farming and fishing
    • The EU
  • Research Briefing

    Military assistance to Ukraine (February 2022 to January 2025)

    Thursday, 17 July, 2025

    An overview of the military assistance provided to Ukraine between February 2022 and January 2025

    • Research Briefing
    • Americas
    • Armed forces
    • Defence equipment and spending
    • Defence policy
    • Europe
    • International organisations
  • Research Briefing

    Armed Forces Commissioner Bill 2024-2025: Lords amendments

    Friday, 27 June, 2025

    The Armed Forces Commissioner Bill 2024-25 would establish an independent Armed Forces Commissioner. The paper has been updated to reflect Lords amendments.

    • Research Briefing
    • Armed forces
    • Defence policy
  • Research Briefing

    Nuclear weapons profile: United Kingdom

    Thursday, 26 June, 2025

    This paper briefly examines the UK's nuclear weapons policies, capabilities and programmes. It is one paper in a larger series on the nuclear weapon states.

    • Research Briefing
    • Armed forces
    • Defence equipment and spending
    • Defence policy
    • Europe
    • International law
  • Research Briefing

    Strategic Defence Review 2025: The UK’s nuclear deterrent

    Thursday, 26 June, 2025

    What are the implications of the new Strategic Defence Review for the UK's nuclear deterrent?

    • Research Briefing
    • Americas
    • Armed forces
    • Defence equipment and spending
    • Defence policy
    • Europe
    • Institutions
    • International organisations
  • Research Briefing

    Israel-Iran 2025: Developments in Iran’s nuclear programme and military action

    Tuesday, 24 June, 2025

    On 13 June 2025, Israel launched a series of attacks against Iran’s nuclear programme.

    • Research Briefing
    • Americas
    • Armed forces
    • Defence policy
    • Europe
    • Institutions
    • International law
    • International organisations
    • Middle East
    • The EU

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