The Oklahoma National Guard, a division of the Oklahoma Military Department, is the component of the United States National Guard in the U.S. state of Oklahoma. It comprises both Army (OKARNG) and Air (OKANG) National Guard components. The Governor of Oklahoma is Commander-in-Chief of the Oklahoma National Guard when not on federal active duty. The state's highest-ranking military commander, the Adjutant General of Oklahoma (TAG), serves as the military head of the Guard and is second only to the Governor. The TAG is served by three Assistant Adjutants General, all brigadier generals, two from the Army Guard in the state, and the other the Air Guard chief. These positions are held by Army BG Michael C. Thompson, Army BG Hopper T. Smith, and Air Force BG Gregory L. Ferguson. The two compone