Mo. Rev. Stat. § 40.079
The jurisdiction of a court-martial is limited to the trial of persons accused of military offenses as described in sections 40.005 to 40.490. Persons subject to sections 40.005 to 40.490 who are accused of offenses cognizable by the civil courts of this state or any other state where the military forces are present in that state may, upon accusation, be promptly surrendered to civil authorities for disposition, urgencies of the service considered. If the person is accused of both a military offense under sections 40.005 to 40.490 and a civil offense by the civil authorities, the person shall be released to the civil authorities if the crime for which he is accused by the civil authorities carries a penalty in excess of the maximum penalty provided by sections 40.005 to 40.490.
§ 40.079, RSMo