MI9 definitions

Mi9

MI9 is the division of British military intelligence responsible for clandestine operations.
Found on http://www.probertencyclopaedia.com/browse/FM.HTM

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MI9

Military Intelligence 9 - POW Escape & Evasion department (WWII)
Found on http://www.psywar.co.uk/glossary.php

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MI9

British service responsible for assisting escaped prisoners of war
Found on https://www.encyclo.co.uk/local/20490

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