Marine Security Guard Program

December 15, 1948, in Marine Corps history.

Posted on 12/15/2025

On December 15, 1948, then-Secretary of the Navy John L. Sullivan signed a "Memorandum of Agreement" with the State Department. This memorandum laid the groundwork for establishing the modern Marine Security Guard program at U.S. embassies worldwide.

*Image info: The Marine Security Detachment in Moscow. October 7, 2015.
(Marine Corps photo by MCESG USMC.)

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