Research Briefing
Home defence: What is the War Book?
The government is working on new plans for the country in the event of a military attack. During the 20th century, plans were set out in the War Book.
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Research Briefing
Global biodiversity loss, ecosystem collapse and UK national security
The government published its national security assessment on Global biodiversity loss, ecosystem collapse and national security in January 2026. A debate on the assessment, introduced by Adrian Ramsay, is due to take place in Westminster Hall on 3 September 2026.
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Research Briefing
The contribution of the defence industry to UK regions and countries
The defence industry is estimated to contribute around £10 billion to £15 billion a year to the UK economy, mostly in South East and South West England.
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Research Briefing
Military assistance to Ukraine: What has changed since January 2025?
How has military assistance to Ukraine changed since January 2025 when US President Donald Trump took office?
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Research Briefing
Proposals for a Coalition of the Willing in Ukraine
Part of proposals for securing any future peace deal in Ukraine is the deployment of a European-led multinational force, or Coalition of the Willing.
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Research Briefing
Timeline of British military assistance to Ukraine (2022 to present)
What military assistance is the UK providing to Ukraine?
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Research Briefing
UK-EU agreement in respect of Gibraltar
An agreement between the UK and EU setting out Gibraltar's relationship with the EU came into force provisionally on 15 July 2026
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Research Briefing
UK forces in the Middle East region
The UK armed forces use a range of bases and facilities in the Middle East.
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Research Briefing
UK defence personnel statistics
How many people serve in the UK armed forces, how diverse are they, and how many people are joining and leaving?
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Research Briefing
Japan’s strengthening military posture and new security policies
Since 2022, Japan has significantly increased its defence spending, updated its security policies and removed barriers to exporting arms.
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Research Briefing
UK defence spending
A summary of UK defence spending, including recent trends, spending plans, and international comparisons of the defence spending of NATO allies.
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Research Briefing
The Privy Council: history, functions and membership
A briefing paper on the history, functions and membership of the Privy Council
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Research Briefing
UK rearmament and warfighting readiness
A debate on UK rearmament and warfighting readiness will take place on Wednesday 8 July 2026, in the House of Commons chamber.
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Research Briefing
US-Iran ceasefire and nuclear talks in 2026
Describes issues in US-Iran talks in 2026, including the Strait of Hormuz, Iran's nuclear and ballistic missile programme and US sanctions.
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Research Briefing
The National Security (State Threats) Bill
The National Security (State Threats) Bill was introduced in the House of Commons on 9 June 2026. It would allow the government to designate organisations as being associated with foreign state threat activity, and make it an offence to support or benefit from them.
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