When can misconduct during military service lead to a military trial?

Misconduct during military service may lead to a court-martial when an act violates the military law of a specific jurisdiction. The scope of these trials depends on the country’s legal system and the nature of the offense.1

In many nations, military courts take cognizance of two primary categories of misconduct:

• Military-specific offenses: These include acts such as mutiny, insubordination, desertion, and misconduct while performing service duties.1
• Civilian-equivalent crimes: In countries like the United States, Canada, and Great Britain, military law often treats actions that violate the national criminal code as military crimes. While civil jurisdiction generally takes precedence when applicable, military courts may try soldiers for these offenses, particularly when committed abroad or when specifically incorporated into the military code.1

In some Continental countries, military law distinguishes between judicial crimes and minor breaches of discipline, which are handled through administrative action rather than a trial. Conversely, Anglo-American systems often classify all military offenses as crimes subject to procedural law.12