Until this last July I was ineligible for membership in the unorganized militia or the state guards since I was still subject to recall by the US Army (age 55). Oklahoma has the enabling legislation but doesn't have an active state guard force.
http://www.lsb.state.ok.us/OKStatutes/CompleteTitles/os44.rtf
"§44 41. Composition of Militia Classes.
The Militia of the State of Oklahoma shall consist of all able bodied citizens of the United States and all other able bodied persons who shall be or shall have declared their intentions to become citizens of the United States, who shall be more than seventeen (17) years of age and not more than seventy (70) years of age, and said militia shall be divided into three (3) classes: The National Guard, the Oklahoma State Guard, and the Unorganized Militia."
"§44 241. Governor authorized to organize, maintain, etc. Uniform.
The Governor, pursuant to the authority granted the states by the Act of Congress of October 21, 1940, and under such regulations as the Secretary of Defense may prescribe for discipline in training, is hereby authorized to enlist, organize, maintain, equip and discipline such military forces other than the National Guard as he may deem necessary to defend the state. Such forces shall be uniformed and subject to Sections 1 through 117, 192 through 195.8, 208 through 235.2, and 2101 through 3113 of this title unless in conflict with such sections.
Laws 1941, p. 170, § 1, emerg. eff. June 4, 1941; Laws 1985, c. 96, § 3, eff. Nov. 1, 1985.
§44 242. Designation Composition Distinct from National Guard Place of service.
Such military forces shall be designated as the 'Oklahoma State Guard' and shall be composed of officers commissioned or assigned, and such able bodied male citizens of the state as shall volunteer for service therein. They shall be additional to and distinct from the National Guard organized under existing law. They shall not be required to serve outside the boundaries of this state.
Laws 1941, p. 170, § 2, emerg. eff. June 4, 1941.
§44 243. Rules and regulations Arms and equipment Drill and instruction Similarity to National Guard Compensation and allowances.
The Governor is hereby authorized to prescribe rules and regulations governing the enlistment, organization, administration, equipment, discipline and discharge of the personnel of such military forces; to requisition from the Secretary of Defense such arms and equipment as may be in the possession of and can be spared by the Department of Defense and to extend thereto the facilities of state armories and their equipment and such other state premises and property as may be available for the purpose of drill and instruction. Insofar as applicable the procedure for the enlistment, organization, pay, maintenance, equipment and disciplining of such forces shall be in conformity with the law and the rules and regulations governing and pertaining to the National Guard; provided that the officers and enlisted men in the Oklahoma State Guard shall not receive any compensation or monetary allowances from the state except when called into active service by order of the Governor.
Laws 1941, p. 170, § 3, emerg. eff. June 4, 1941; Laws 1985, c. 96, § 4, eff. Nov. 1, 1985.
§44 244. Calling into military service of United States not authorized No exemption from military service.
Nothing in this act shall be construed as authorizing such forces, or any part thereof to be called, ordered or in any manner drafted, as such into the military service of the United States, but no person shall by reason of his enlistment or commission in any such forces be exempted from military service under any law of the United States.
Laws 1941, p. 170, § 4, emerg. eff. June 4, 1941.
§44 245. Persons not to be commissioned or enlisted.
No person shall be commissioned or enlisted in such forces who is not a citizen of the United States or who has been expelled or dishonorably discharged from any military or naval organization of this state, or of another state, or of the United States.
Laws 1941, p. 170, § 5, emerg. eff. June 4, 1941.
§44 246. Oath of officers.
The oath to be taken by officers commissioned in such forces shall be substantially in the form prescribed for officers of the National Guard, substituting the words 'Oklahoma State Guard' where necessary.
Laws 1941, p. 171, § 6, emerg. eff. June 4, 1941.
§44 247. Term of enlistment Oath upon enlistment.
No person shall be enlisted for more than one (1) year, but such enlistment may be renewed. The oath to be taken upon enlistment in such forces shall be substantially in the form prescribed for enlisted men of the National Guard, substituting the words 'Oklahoma State Guard' where necessary."