Department of Defense police

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United States Department of Defense police (or DoD police) are the uniformed civilian security police officers of the United States Department of Defense (DoD), various branches of the United States Armed Forces, or DoD agencies (e.g. the Defense Logistics Agency Police).

The DoD police are responsible for law enforcement and security services on DoD-owned and leased buildings, facilities, properties and other DoD assets. Law enforcement services on properties owned or controlled by one of the component departments of the DoD is the responsibility of the appropriate component agency of the DoD police; either the Department of the Army Police, Department of the Navy Police, or the Department of the Air Force Police. Despite falling under the Department of the Navy, the United States Marine Corps maintains its own civilian police force, the United States Marine Corps Civilian Police, answerable directly to the Department of the Navy rather than the DoD.

As the United States Coast Guard (USCG) falls under the Department of Homeland Security in peacetime, the USCG Police reports directly to the senior leadership of the USCG and is therefore not a DoD police agency.

The various military police personnel of the DoD's armed services – the Military Police Corps of the United States Army, the masters-at-arms of the United States Navy, the Security Forces of the United States Air Force and Space Force, and the military police of the United States Marine Corps – are answerable directly to their component departments and do not fall under the "DoD police" umbrella. DoD police law enforcement officers, while being federal employees, are not members of the military.