Who are included under the jurisdiction of the UCMJ during war?

The answer is indeed that personnel accompanying an Armed Force in the field are included under the jurisdiction of the Uniform Code of Military Justice (UCMJ) during war. This is significant because it extends the reach of military law beyond just active duty service members to those who support military operations, such as contractors, civilians, or reserve components embedded with the military.

The inclusion of these personnel emphasizes the need for discipline and order in situations where non-combatants are closely integrated with military operations, ensuring that everyone involved is held to a standard of conduct that aligns with military regulations. This approach helps maintain command authority and operational integrity in complex environments.

In contrast, the other options do not accurately reflect the scope of UCMJ jurisdiction during times of war. For instance, while active duty personnel are subject to UCMJ, limiting jurisdiction only to them would overlook the important roles of others who may be in the field. Civilians working with the military may sometimes fall under specific military regulations but are not universally subject to UCMJ as are those directly accompanying armed forces. Members of the National Guard have their own specific regulations and may only be under UCMJ when federalized. Thus, the correct answer highlights the broader application of military law during times of