(n)an agency of the armed forces that obtains and analyzes and uses information of strategic or tactical military value, Syn.military intelligence agency
(n)the government agency in the United Kingdom that is responsible for internal security and counterintelligence overseas, Syn.MI, Military Intelligence Section 6
(n)the government agency in the United Kingdom that is responsible for internal security and counterintelligence on British territory, Syn.MI, Military Intelligence Section 5