Operational Records of Marine Corps Units The official record of activities of Marine units.
Official Military Personnel Files (OMPF) The official records of a Marine’s service in the Corps.
Monthly Accounting of Personnel Records Muster rolls (1798–1949) and unit diaries (1950–present). These records list the names of the U.S. Marines assigned in the unit down to the company level by month.
The Marine Corps History Division holds a vast collection of historical materials that researchers may access. Click here for more information on what the Historical Resources Branch (archival records, personal papers, oral histories, Marine Corps University student papers, photographs, and more) holds and how to access the materials on site or remotely.
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