Wis. Stat. § 322.048

A military judge may punish for contempt any person who uses any menacing word, sign, or gesture in its presence, or who disturbs its proceedings by any riot or disorder. A person subject to this code may be punished for contempt by confinement not to exceed 30 days or a fine of $100, or both. A person not subject to this code may be punished for contempt by a military court in the same manner as a court of the state.