The Adjutant General of Oklahoma is the highest-ranking military official in the state of Oklahoma, subordinate only to the Governor of Oklahoma. The highest officer of the Oklahoma National Guard, the Adjutant General is the principal advisor to the Governor on military affairs and the head of the Oklahoma Military Department as the Secretary of the Military. The current state adjutant general of Oklahoma is Brigadier General Thomas H. Mancino. Mancino was appointed by Governor Kevin Stitt on November 10, 2021.