20 ILCS 1807/91

Insubordinate conduct toward warrant officer, noncommissioned officer, or petty officer. Any warrant officer or enlisted member who: (1) strikes or assaults a warrant officer, noncommissioned officer, or petty officer, while that officer is in the execution of his office; (2) willfully disobeys the lawful order of a warrant officer, noncommissioned officer, or petty officer; or (3) treats with contempt or is disrespectful in language or deportment toward a warrant officer, noncommissioned officer, or petty officer, while that officer is in the execution of his office; shall be punished as a court-martial may direct.