In addition to the moneys to be appropriated for the purpose stated in Section 31-2-132, there shall be appropriated by the Legislature at each of its regular sessions, or such other sessions as conditions may require, out of the moneys not otherwise appropriated, such sum as may be necessary for pay, allowances, subsistence, shelter, travel and other necessary expenses of the National Guard called into the active military service of the state for the purpose of enforcement of the law, preservation of peace, for the security of lives of citizens, for aid and relief of citizens in case of disaster, for the protection of property and for such other purposes as the Governor may, for specific reasons, designate as in the active military or naval service of the state. The disbursement of all funds appropriated for the purpose of carrying out the provisions of this chapter shall be with the approval of the Governor, under such rules and regulations as the Adjutant General may prescribe.