<P> The first instance of an organisation which would later become the DMI was the Department of Topography & Statistics, formed by Major Thomas Best Jervis, late of the Bombay Engineer Corps, in 1854 in the early stages of the Crimean War . </P> <P> When the War Office was subsumed into the Ministry of Defence (MoD) in 1964, the DMI was absorbed into the Defence Intelligence Staff . </P> <P> During World War I, British secret services were divided into numbered sections named Military Intelligence, department number x, abbreviated to MIx, such as MI1 for information management . The branch, department, section, and sub-section numbers varied through the life of the department, however examples include: </P> <Table> <Tr> <Th> Name </Th> <Th> World War I </Th> <Th> World War II </Th> </Tr> <Tr> <Td> MI1 </Td> <Td> Secretariat, including: <Ul> <Li> MI1b: Interception and cryptanalysis . </Li> <Li> MI1c: The Foreign Section of the Secret Service Bureau . </Li> </Ul> </Td> <Td> Administration </Td> </Tr> <Tr> <Td> MI2 </Td> <Td> Geographical information (Americas, Latin countries, Balkans, Ottoman Empire, Trans - Caucasus, Arabia, Africa less French and Spanish possessions) </Td> <Td> Information on Middle and Far East, Scandinavia, US, USSR, Central and South America . </Td> </Tr> <Tr> <Td> MI3 </Td> <Td> Geographical Information (rest of European countries) </Td> <Td> Information on Eastern Europe and the Baltic Provinces (plus USSR and Scandinavia after summer 1941). </Td> </Tr> <Tr> <Td> MI4 </Td> <Td> Topographical information and military maps </Td> <Td> Geographical section--maps (transferred to Military Operations in April 1940). </Td> </Tr> <Tr> <Td> MI5 </Td> <Td> Counter-espionage and military policy in dealing with the civil population (the former Home Section of the Secret Service Bureau) </Td> <Td> Liaison with the Security Service (counterintelligence) </Td> </Tr> <Tr> <Td> MI6 </Td> <Td> Legal and economic section dealing with the MI finance as well as economic intelligence and personnel records . Monitoring arms trafficking . </Td> <Td> Liaison with Secret Intelligence Service </Td> </Tr> <Tr> <Td> MI7 </Td> <Td> Press censorship and propaganda </Td> <Td> Press and propaganda (transferred to Ministry of Information in May 1940). </Td> </Tr> <Tr> <Td> MI8 </Td> <Td> Cable censorship </Td> <Td> Signals interception and communications security . Merged into MI6 in 1941 . </Td> </Tr> <Tr> <Td> MI9 </Td> <Td> Postal censorship </Td> <Td> Escaped British PoW debriefing, escape and evasion (also: enemy PoW interrogation until 1941). </Td> </Tr> <Tr> <Td> MI10 </Td> <Td> Foreign Military Attaches </Td> <Td> Technical Intelligence worldwide </Td> </Tr> <Tr> <Td> MI11 </Td> <Td> </Td> <Td> Military Security . Disbanded at the end of WWII . </Td> </Tr> <Tr> <Td> MI12 </Td> <Td> </Td> <Td> Liaison with censorship organisations in Ministry of Information, military censorship . </Td> </Tr> <Tr> <Td> MI13 </Td> <Td> </Td> <Td> (Not used) </Td> </Tr> <Tr> <Td> MI14 </Td> <Td> </Td> <Td> Germany and German - occupied territories (aerial photography until spring 1943). </Td> </Tr> <Tr> <Td> MI15 </Td> <Td> </Td> <Td> Aerial photography . In the spring of 1943, aerial photography moved to the Air Ministry and MI15 became air defence intelligence . </Td> </Tr> <Tr> <Td> MI16 </Td> <Td> </Td> <Td> Scientific Intelligence (formed 1945). </Td> </Tr> <Tr> <Td> MI17 </Td> <Td> </Td> <Td> Secretariat for Director of Military Intelligence from April 1943 . </Td> </Tr> <Tr> <Td> MI18 </Td> <Td> </Td> <Td> (Not used) </Td> </Tr> <Tr> <Td> MI19 </Td> <Td> </Td> <Td> Enemy prisoner of war interrogation (formed from MI9 in December 1941). </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Others </Td> <Td> MIR: Information on Russia, Siberia, Central Asia, Persia, Afghanistan, China, Japan, Siam and India </Td> <Td> MI (JIS):" Axis planning staff" related to Joint Intelligence Staff, a sub-group of the Joint Intelligence Committee . </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> MI L: Attaches . </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> MI L (R): Russian Liaison . </Td> </Tr> </Table>

How many british military intelligence sections are there
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