Security & Emergency Services Battalion

The Security & Emergency Services Battalion (SES BN) is a specialized unit within the United States Marine Corps, established to provide comprehensive security, law enforcement, and emergency response capabilities for critical installations and personnel. Originally formed to consolidate various military police and emergency service functions, the battalion is tasked with safeguarding Marine Corps bases, responding to crises, and ensuring the enforcement of military regulations. Throughout its history, SES Battalion has played a vital role in force protection, coordinating with local, federal, and Department of Defense agencies during both routine operations and contingency situations. The unit continues to adapt to emerging threats, upholding its mission to protect lives, property, and the operational readiness of the Marine Corps.