Miss. Code Ann. § 33-7-27: Miss. Code Ann. § 33-7-27

Upon the termination of any emergency for which the Mississippi National Guard has been drafted into the military service of the United States, all enlisted men so drafted, upon being discharged from the Armed Forces of the United States shall continue to serve in the Mississippi National Guard until the dates upon which their enlistments prior to their draft, would have expired, if uninterrupted. The commissioned and warranted officers so drafted shall resume their commissions and warrants in the Mississippi National Guard in the respective grades held by them when drafted, or in any higher grade which they may have attained while in such service, if appointed thereto by the Governor to fill existing vacancies.