O.C.G.A. § 38-2-51: Authority of Governor.

(a) In order to conform the organization of the State Defense Force to the organization of such state military forces as may be prescribed by the laws of the United States and regulations issued thereunder, the Governor may organize, activate, increase, change, divide, consolidate, disband, reactivate, or reorganize any unit, headquarters, staff, or cadre of the State Defense Force and may prescribe the composition and types of units, the type of organization, and the system of drill or instruction to be used in training such units.

(b) For the purposes set forth in subsection (a) of this Code section, the Governor is authorized to fix, increase, or decrease the strength of any unit, headquarters, staff, or cadre of the State Defense Force, including the number of commissioned officers, warrant officers, noncommissioned officers, and other enlisted personnel of any grade in any such unit, headquarters, staff, or cadre, and to alter the grades of officers, warrant officers, and noncommissioned officers.