UCMJ Article 89: Disrespect Toward and Assault of a Superior Commissioned Officer

Article 89 of the Uniform Code of Military Justice protects the authority and person of a superior commissioned officer in two distinct ways. Codified at 10 U.S.C. 889 and titled “Disrespect toward superior commissioned officer; assault of superior commissioned officer,” the article reaches both insulting conduct and physical violence directed at an officer the accused is bound to respect. The 2016 Military Justice Act, effective 1 January 2019, restructured this part of the Code: the assault offense that once sat in Article 90 was folded into Article 89, leaving Article 90 to govern willful disobedience alone. Article 89 now contains the two halves that share a single rationale, namely that the chain of command depends on subordinates neither degrading nor striking the officers above them.

The two offenses the article covers

Article 89 is divided by statute into two subsections. Subsection (a) addresses disrespect: any person subject to the Code who behaves with disrespect toward that person’s superior commissioned officer is liable to punishment. Subsection (b) addresses assault: any person who strikes that officer, or draws or lifts up a weapon, or offers any violence against the officer while the officer is in the execution of office, is liable to a heavier penalty that rises to death in time of war.

The two prongs differ in what the government must show and in how severely a conviction is punished, but they share a common premise. Both turn on the special status of the victim as a commissioned officer superior to the accused, and both require that the accused have known that status. The disrespect prong polices the manner of a subordinate’s conduct toward an officer. The assault prong polices the use or threat of force.

Disrespect: what the government must prove

For the disrespect prong, the prosecution must establish that the accused did or said something, or failed to do something, toward a particular commissioned officer; that the officer was the superior of the accused; that the accused knew the officer held that superior status; and that the conduct or language was in fact disrespectful. Disrespect is behavior that detracts from the respect due to the authority and person of a superior. It may take the form of abusive epithets, contemptuous or denunciatory language, or acts such as neglecting a customary salute or displaying marked disdain, insolence, undue familiarity, or other rudeness.

Two points in the Manual for Courts-Martial often surprise readers. First, for the disrespect offense the officer need not be in the execution of office when the conduct occurs; the protection follows the relationship, not the moment of duty. Second, truth is not a defense. The fact that an insulting statement happened to be accurate does not excuse expressing it disrespectfully toward a superior. The standard is assessed in light of military custom: whether the words or acts would be understood as disrespectful by those familiar with the courtesies of the service.

Assault: what the government must prove

The assault prong reaches conduct well short of serious injury. It is satisfied by striking the officer, by drawing or lifting up any weapon against the officer, or by offering any violence, meaning an attempt or offer to do bodily harm. A critical limitation distinguishes this prong from the disrespect prong: the officer must be in the execution of office at the time of the assault. The government must also prove, as with disrespect, that the accused knew the victim was a superior commissioned officer.

Because the assault offense protects an officer carrying out official functions, conduct directed at an officer acting entirely outside any official capacity may fall under the general assault article rather than Article 89. The presence or absence of the execution-of-office element is therefore a frequent point of contest, separating an Article 89 charge from an ordinary assault charge under Article 128.

Maximum punishment

The two prongs carry very different ceilings, and both are set by the Manual for Courts-Martial rather than by the bare statute. For disrespect toward a superior commissioned officer, the maximum punishment is a bad-conduct discharge, forfeiture of all pay and allowances, and confinement for one year. For assault of a superior commissioned officer committed in time of peace, the maximum is a dishonorable discharge, forfeiture of all pay and allowances, and confinement for ten years. The statute itself authorizes death for the assault prong when the offense is committed in time of war, reflecting the gravity of striking a commanding figure during armed operations; in all other circumstances the punishment is some sentence other than death, within the limits the Manual prescribes.

The actual sentence in any case turns on the facts: the nature and publicity of the conduct, the rank disparity, the impact on discipline, and the record of the accused. For offenses committed on or after 27 December 2023, a military judge imposes the sentence under the segmented sentencing system, even in cases tried before members.

Knowledge, provocation, and self-defense

Knowledge of the victim’s superior status is an element of both prongs. Where an officer appears in uniform with visible insignia, that knowledge is ordinarily inferred; where the officer is in civilian attire and otherwise unknown to the accused, the knowledge element becomes harder to prove and may be decisive.

Provocation by the officer does not furnish a complete defense to disrespect. Military law expects grievances to move through the chain of command, the inspector general, or other lawful channels rather than through insults. An officer’s misconduct may bear on the assessment of culpability and on sentencing, but it does not license a disrespectful response.

There is, however, a recognized special defense of divestiture. A superior commissioned officer whose own conduct toward the accused departs substantially from the standards of conduct appropriate to that officer’s rank or position can lose the protection of the article, so that the accused may not be convicted of disrespect toward an officer who has forfeited the entitlement to that respect. The departure must be substantial, not a minor lapse, and whether it occurred is treated as a question of fact. Divestiture is significant because it operates on an element of the offense, the victim’s protected status, rather than merely mitigating an otherwise complete offense.

For the assault prong, self-defense may be available where the officer was the initial aggressor in an unlawful assault and the accused used proportional force, though military courts examine such claims closely given the rank relationship.

How the article relates to neighboring offenses

Article 89 applies only when the victim is a superior commissioned officer. Disrespect or insubordinate conduct toward a warrant officer, noncommissioned officer, or petty officer is charged under Article 91 instead, which sets its own graduated penalties by the victim’s category. Willful disobedience of a superior commissioned officer’s lawful command is no longer part of this article; it is charged under Article 90. General assaults that lack the superior-officer element fall under Article 128. The boundary among these articles is drawn by the status of the victim and the precise conduct alleged, which is why the charging decision often determines the exposure an accused faces.

Sources

• 10 U.S.C. 889, Art. 89, Disrespect toward superior commissioned officer; assault of superior commissioned officer: https://www.law.cornell.edu/uscode/text/10/889
• Manual for Courts-Martial, United States, Part IV, paragraph for Article 89 (elements, explanation, and maximum punishment): https://jsc.defense.gov/Military-Law/Current-Publications-and-Updates/
• 10 U.S.C. 928, Art. 128, Assault (general assault offense): https://www.law.cornell.edu/uscode/text/10/928

This article is for general informational purposes only and is not legal advice. It describes military law and procedure of public record, does not address any individual case, and does not create an attorney-client relationship.