MI10

{{Short description|Department of British military intelligence (historical)}}

{{Other uses|MI-10 (disambiguation)}}

{{Use dmy dates|date=December 2014}}

{{Use British English|date=December 2014}}

MI10, or Military Intelligence, section 10, was a department of the British Directorate of Military Intelligence, part of the War Office. It was established in the middle of 1940{{Cite book |last1=Hampshire |first1=E. |url=https://books.google.com/books?id=35MVAQAAIAAJ&q=MI10 |title=British Intelligence: Secrets, Spies and Sources |last2=Macklin |first2=G. |last3=Twigge |first3=S. |date=2008-07-25 |publisher=Bloomsbury Academic |isbn=978-1-905615-00-1 |language=en}} and was responsible for weapons and technical analysis during World War II and early in the Cold War.

Despite one source claiming that the group was merged into MI16 (scientific intelligence) when the latter was created near the end of the war,Michael Smith, The Spying Game, Politico's Publishing, 2003 {{ISBN|1-84275-004-6}} p. 461 it was in fact working all the way through 1961 at least, e. g. publishing military equipment recognition handbooks{{Cite web |title=Find an object {{!}} Imperial War Museums |url=https://www.iwm.org.uk/collections/search?query=&pageSize=30&media-records=all-records&filters%5BmakerString%5D%5BWar+Office.+M.I.+10%5D=on |access-date=2024-01-19 |website=www.iwm.org.uk}}{{Cite web |title=FO 371/140168 UK military operations in Muscat and Oman. Code BA file 1195 (papers 28 to 47) p.112 |url=https://www.agda.ae/en/catalogue/tna/fo/371/140168/n/112 |access-date=2024-01-19 |website=www.agda.ae |language=en}}{{Cite book |url=https://books.google.com/books?id=VLkmAQAAIAAJ&q=%22MI+10%22 |title=The Tank |date=1960 |language=en}}

During the war department's three subdivisions had following responsibilities:

• MI10(a) was studying enemy AFVs;
• MI10(b)—engineering equipment;
• MI10(c)—transportation, oil and military science.{{Cite book |last1=Hampshire |first1=E. |url=https://books.google.com/books?id=35MVAQAAIAAJ&q=%22MI10(a)%22 |title=British Intelligence: Secrets, Spies and Sources |last2=Macklin |first2=G. |last3=Twigge |first3=S. |date=2008-07-25 |publisher=Bloomsbury Academic |isbn=978-1-905615-00-1 |language=en}}

The distribution changed after 1945:

• MI10(a)—weapons technology;
• MI10(b)—radar technology;
• MI10(c)—guided weapons and chemical warfare.{{Cite book |last=Aldrich |first=Richard James |url=https://books.google.com/books?id=VX27AAAAIAAJ&q=%22M.I.10%22 |title=Espionage, Security, and Intelligence in Britain, 1945-1970 |date=1998 |publisher=Manchester University Press |isbn=978-0-7190-4956-9 |language=en}}