Final answer:
The body of moral principles governing military professionals includes Codes of Conduct, Rules of Engagement, and Ethics, which together guide the ethical standards and responsible behavior of military personnel.
Step-by-step explanation:
The body of moral principles or values governing military professionals is constituted by Codes of Conduct, Rules of Engagement, and Ethics. Each of these components plays a vital role in guiding the behavior of military personnel and ensuring their actions align with accepted moral and ethical standards.
Codes of Conduct outline the expected behavior and standards for military members, establishing guidelines that help define their professional conduct. Rules of Engagement are directives, which provide specific limitations and conditions under which military personnel can initiate or continue combat. They are aimed at minimizing unnecessary conflict and collateral damage while achieving objectives. Ethics in the military is a reflection of broader societal values and operates within the parameters of both codified conduct standards and engagement rules. It incorporates discussions and moral reasoning from both normative and applied ethics.
Therefore, the answer to the question 'What constitutes the body of moral principles or values governing military professionals?' is D) All of the Above.