The Oklahoma State Guard is the inactive state defense force of Oklahoma. If activated, the mission of the Oklahoma State Guard is to augment, assist and support the Oklahoma National Guard and the civil authorities in Oklahoma. The State Guard is under the command of the governor of Oklahoma, as the Commander-in-Chief, and the Adjutant General of Oklahoma as the commanding officer.
Created by Oklahoma State Guard Act of 1941, the Oklahoma State Guard cannot be federalized and cannot be deployed outside Oklahoma. It is under the administrative command of the Oklahoma Department of the Military.