What must the commanders at all levels ensure their soldiers operate in accordance with to maintain legitimacy and credibility?

• A. The Law of War and the Rules of Engagement
• B. The Tax Code
• C. The Geneva Conventions
• D. The Military Code of Conduct

Answer: (A)

Operating within the Law of War and the Rules of Engagement provides the legal and ethical framework that keeps military action legitimate and credible. The Law of War establishes enduring principles—distinction between fighters and civilians, proportionality in force used, necessity, and humane treatment—that govern when and how war can be fought. The Rules of Engagement turn those principles into practical, battlefield directives that tell soldiers when force is authorized, against whom, and under what conditions, while outlining precautions to avoid unnecessary harm. When commanders ensure their units follow these rules, actions remain lawful in the eyes of domestic and international audiences, maintain trust with civilian populations and allies, and uphold the force’s legitimacy. The Geneva Conventions are part of this broader framework, but the combination of general legal obligations with concrete ROE guidance best covers immediate operational conduct. The Tax Code is unrelated to combat conduct, and the Military Code of Conduct focuses on personal behavior in captivity and civilian life rather than current operations.