MI11, or Military Intelligence, Section 11, was a department of the British Directorate of Military Intelligence, part of the

War Office The War Office has referred to several British government organisations throughout history, all relating to the army. It was a department of the British Government responsible for the administration of the British Army between 1857 and 1964, at ...

. During the Second World War, MI11 was responsible for field security: protecting British military personnel from enemy agents and " fifth columnists" amongst civilian populations, in theatres of war. As such, MI11 assumed a role formerly assigned to the Field Security Police (which had itself replaced the

British Army The British Army is the principal Army, land warfare force of the United Kingdom. the British Army comprises 73,847 regular full-time personnel, 4,127 Brigade of Gurkhas, Gurkhas, 25,742 Army Reserve (United Kingdom), volunteer reserve perso ...

's Intelligence unit before the First World War). Section 11 was disbanded after the Second World War.

External links

574 Field Security Section of 3 Special Service Brig
Security Defunct United Kingdom intelligence agencies Military communications of the United Kingdom War Office in World War II British intelligence services of World War II {{UK-mil-stub