High Quality Content by WIKIPEDIA articles! The Oklahoma National Guard, a division of the Oklahoma Department of the Military, is the component of the United States National Guard in the U.S. state of Oklahoma. It comprises both Army and Air National Guard components. The Governor of Oklahoma is Commander-in-Chief of the Oklahoma National Guard when in state use. The State`s highest ranking military commander, the Adjutant General of Oklahoma, serves as the military head of the Guard and is second only to the Governor.