The Governor shall establish a Military Court-Martial Review Panel which shall be composed of one or more panels, and each such panel shall be composed of not less than three appellate military judges. The military judges selected for the Military Court-Martial Review Panel shall be active or retired judge advocates of the Department of Defense of the United States. Further composition and selection of judges for the panel shall be established by regulation pursuant to Sections 131 and 271 of the Official Recompilation of the Constitution of Alabama of 1901, as amended. For the purpose of reviewing courts-martial cases, the body may sit in panels or as a whole in accordance with the rules prescribed by the Governor. All appeals of decisions of courts-martial shall proceed directly to the Military Court-Martial Review Panel.