What does MI6 mean?
Military Intelligence Section 6
Organization, information and external security, the British (Secret Intelligence Service), abbreviation SMS, iPhone SMS, (SIS), one of the British intelligence organization, the main United Kingdom to receive and analyze information and covert operations in foreign countries. The organization in written English over more to the name service (or casual false service) to be known. In some resources it MI6 also say that the shorter the name, the more it Military Intelligence 6.