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Marine Corps Recruit Depot San Diego

Headquarters and Service Battalion

Headquarters and Service



MISSION: Provide technical direction, staff cognizance, and supervision of support functions for recruit training and operational control and guidance for the Western Recruiting Region via staff primaries; provide installation management and administrative support for personnel assigned to the Battalion, Marine Corps detachments, and Depot transients; ensure good order, discipline, and readiness of all Battalion military personnel; conduct law and order operations and be prepared to control all-hazard, emergency response operations aboard the installation.




Commanding Officer
Mark M. Tull

 Battalion Sergeant Major
Sergeant Major
Jesse T. Mafnas


 Headquarters Company

Service Company