Miss. Code Ann. § 33-7-1: Miss. Code Ann. § 33-7-1

(a) The Mississippi National Guard shall consist of the organized militia within the ages prescribed by federal law and regulations, organized, armed and equipped as hereinafter provided, and of commissioned officers and warrant officers within the ages and having the qualifications prescribed by federal law and regulations. The number of officers and enlisted men of the National Guard and the grades and designations thereof shall be as now or hereafter prescribed by federal law and regulations relating to the National Guard, and all commissions and promotions shall be in accordance with the aforesaid regulations.

(b) The Mississippi National Guard shall be divided into such organizations and units as may now or hereafter be prescribed for this state by federal law or regulations, consisting of that portion of the National Guard of the United States apportioned and assigned to this state in accordance with tables of organizations prescribed by the department of defense and approved by the Governor of Mississippi.

(c) The Governor shall have power to increase the National Guard by voluntary enlistment or by draft, and to organize the same, with proper officers, as the necessities of the service may require, in the manner provided for in Sections 33-5-1 through 33-5-17 of Chapter 5 of this title, in periods of national or state emergency as therein provided for.