Miss. Code Ann. § 91-7-15

In addition to the manner in which wills may be proved and admitted to probate in the State of Mississippi under other laws, any will executed by any member of the armed forces of the United States during the Korean War, or any other war, may be proved and admitted to probate, and letters testamentary thereon granted, by the chancery court or the chancellor in vacation of the county in which such testator lived when he became a member of such armed forces, or by the chancery court or the chancellor in vacation of the county in which such testator owned land at the time of his death, on the affidavit of any reliable person or persons sufficient to satisfy the chancellor that the testator is dead, that the writing propounded for probate was signed by the testator as his last will and testament, that the affidavit or testimony of the subscribing witnesses to such will cannot reasonably be obtained, and that there is good reason for such will to be then probated.