The new Diplomatic Security history, professionally researched and written by the State Department Historian’s Office, is an authoritative reference source and an archival record of the many critical duties, milestone events, prominent personalities, and worldwide locations with which DS has been associated over the past century. The first comprehensive, detailed history ever prepared, it is dedicated to the men and women who have served the Bureau of Diplomatic Security and its predecessors – the Office of Security (SY) and the Office of the Chief Special Agent of the U.S. Department of State – from the inception in 1916 up to the present. A Table of Contents and a master Index make the book easy to search for specific information purposes.
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You do realize, of course, that this document makes it possible to reference quite a few Matters of Official Concern from a publicly available source?