The United Kingdom constitution – a mapping exercise
A briefing paper which "maps" (or summarises) the main elements of the United Kingdom's uncodified constitution.
A general debate on defence is scheduled to take place in the House of Commons Chamber on Tuesday 7 May 2024.
Below is a selection of Commons Library research briefings and Defence Committee reports that are relevant to this debate (you can watch the debate on Parliamentlive.tv).
Further briefings can be found on the Defence topic page on the House of Commons Library website, and the Defence Committee website has more information on its current inquiries and recent publications, as well as other news and information.
Links to relevant debates, statements and urgent questions, for recent parliamentary sessions, are available in the following research briefings:
This page contains research briefings relating to the conflict in Ukraine, including sanctions, energy security, international legal issues, NATO, and implications for the UK.
Armed forces
Arms exports
AUKUS
NATO
Nuclear weapons
This page features a series of Commons Library briefings on the policies, capabilities and programmes of the nuclear weapon states. They should be taken as correct at the time of writing and will be updated periodically.
A briefing paper which "maps" (or summarises) the main elements of the United Kingdom's uncodified constitution.
The Northern Ireland Troubles Bill 2024-26 was introduced in the House of Commons on 14 October 2025. It was carried over to the 2026-27 session and is due to be considered by a Committee of the Whole House on 19 and 20 October 2026
The Royal Navy will become a ‘hybrid navy’ with uncrewed vessels operating alongside traditional warships. What does this mean and how will it be funded?