Mo. Rev. Stat. § 40.083: Convening general courts-martial, persons authorized.

1. General courts-martial may be convened by any of the following:

(1) The governor;

(2) The adjutant general;

(3) The commanding officer of a division, a separate brigade, or a separate wing;

(4) Any other commanding officer in any of the state military forces when empowered by the governor.

2. When any such commanding officer is an accuser, the court shall be convened by superior competent authority, and may in any case be convened by such authority when deemed desirable by such authority.