What authority does the Secretary of Defense have over military operations?

The Secretary of Defense possesses the authority to direct and control military operations and resources, which is a critical function in ensuring national security and the effective execution of defense policy. This authority encompasses a broad range of responsibilities, including the management of the armed forces during peacetime and wartime, making operational decisions, and allocating resources necessary for military actions. The Secretary acts as the principal defense policy advisor to the President and plays a vital role in the execution of military strategy, ensuring that operations align with the broader objectives of the U.S. government.

This central authority allows the Secretary to respond swiftly to emerging threats, manage military readiness, and oversee the planning and execution of military missions. Ultimately, this command structure is essential for maintaining a cohesive and effective military force aligned with national interests.