What is the primary function of military doctrine?

The primary function of military doctrine is to offer principles for planning and evaluating operations. Doctrine serves as a foundational framework that guides military leaders in the development and execution of strategies and tactics. It encapsulates the collective wisdom and experiences of military organizations, providing a structured approach to understanding how forces can best achieve their objectives in various operational environments.

Through doctrinal principles, military professionals gain insights on considerations relevant to combat and other operations, allowing them to make informed decisions, adapt to changing circumstances, and ensure cohesive and effective action across units. This systematic approach also enhances communication and collaboration between different branches and services.

The other options do not adequately capture the essence of military doctrine. While guidelines for civilian governance can be important, they fall outside the scope of military operations. The historical record of military engagements, although valuable for learning and reflection, is more about documentation than operational guidance. Lastly, while laws governing military conduct are critical for maintaining discipline and ethics, they are distinct from the operational planning and evaluation aspects addressed by military doctrine.