Illinois Statutes Chapter 20. Executive Branch § 1815/2-5. Organization

(a) As authorized by the Commander-in-Chief, the Adjutant General may by order establish units of the State Army and Air Guard that are similar in nature and in general conformity to those of the United States Army and Air Force and may assign State Guard personnel to each unit. Upon expiration or termination of the proclamation issued in accordance with Section 1-10 of this Act, the Commander-in-Chief may discharge such units and personnel assigned thereto.

(b) The State Guard shall consist of 2 components: the State Army Guard and the State Air Guard. The Adjutant General may appoint the Assistant Adjutant General for Army as the Commander of the State Army Guard and the Assistant Adjutant General for Air as the Commander of the State Air Guard, respectively. The Adjutant General may also appoint such other subordinate commanders and staff of the State Guard as he or she determines appropriate.