Ohio Rev. Code § 5920.08
All persons enlisted in the Ohio military reserve shall sign an enlistment contract and take and subscribe to an oath of enlistment as follows:
"I do hereby acknowledge to have voluntarily enlisted this ________ day of ________________________, _________, as a member of the Ohio military reserve for a period of three years, under the conditions prescribed by law, unless sooner discharged by proper authority. And I do solemnly swear that I will bear true faith and allegiance to the United States of America and to the state of Ohio; that I will serve them honestly and faithfully against all their enemies whomsoever; and that I will obey the orders of the governor of the state of Ohio and of the officers appointed over me according to law and the rules and regulations in accordance therewith."
R.C. § 5920.08