Written Question·Ministry of Defence·UIN 79348
USA: Military Alliances
Tabled: 10 October 2025
Answered: 20 October 2025
Question
Ben Obese-Jecty
Conservative — Huntingdon
To ask the Secretary of State for Defence, on what date the 1958 Mutual Defence Agreement with the United States was last renewed.
Answer
Luke PollardThe most recent renewal of the 1958 Mutual Defense Agreement between the United Kingdom and the United States entered into force on 14 November 2024. The agreement is now enduring in its entirety following the removal of the 10-yearly renewal provisions.