War Office Military Intelligence (MI)Sections in the Second World War
MI1 Administration.
MI2 Information on Middle and Far East, Scandinavia, USA, USSR, Central and South America.
MI3 Information on Europe and the Baltic Provinces (plus USSR, Eastern Europe and Scandinavia after Summer 1941).
MI4 Geographical section - maps (transferred to Military Operations in April 1940).
MI5 Liaison with Security Service.
MI6 Liaison with SIS.
MI7 Press and propaganda (transferred to Ministry of Information in May 1940).
MI8 Signals interception and communications security.
MI9 Escaped British PoW debriefing, escape and evasion (plus enemy PoW interrogation until December 1941).
MI10 Technical Intelligence world-wide.
MI11 Military Security.
MI12 Liaison with censorship organisations in Ministry of Information, military censorship.
MI13 Not Used.
MI14 Germany and German-occupied territories (aerial photography until Spring 1943).
MI15 Aerial photography (in Spring 1943 aerial photography moved to the Air Ministry and MI15 became air defence intelligence).
MI16 Scientific Intelligence (formed 1945).
MI17 Secretariat for Director of Military Intelligence (from April 1943).
MI18 Not Used.
MI19 Enemy PoW interrogation (formed from MI9 in December 1941).
MI (JIS) Axis planning staff.
MI L (R) Russian Liaison.
MI L Attaches.
Gudgin Peter, Military Intelligence: The British Story, 1989, Arms and Armour Press pp 55-68
Hinsley FH (et al), British Intelligence in the Second World War Vol II, 1979, HMSO
Foot MRD and Langley JM, MI9: Escape and Evasion 1939-1945, 1979, The Bodley Head pp 171-172
Clayton Anthony, Forearmed: A History of the Intelligence Corps, 1993, Brassey's (UK) pp 81-91
