What Is the Secretary of the U.S. Department of War and What Does the Role Involve?

The Secretary is the top civilian official of the U.S. Department of War (DoW), the cabinet-level leader who runs the department, sets its policy direction, answers to the President, and works with Congress. The role is a civilian leadership post, not a military command post: the Secretary sits above the uniformed chain of command in the department's civilian hierarchy, while military advice and operational command run through the Joint Chiefs and the combatant commanders. The official site for the department is war.gov.

What "Secretary" Means at the Department of War

In the context of war.gov, "Secretary" refers to the Secretary of War — the department's senior civilian leader and a member of the President's cabinet. The department describes itself as America's largest government agency, with a mission to provide the military forces needed to deter war and ensure national security. The Secretary is the official who leads that agency day to day.

Two points follow from this:

• Civilian, not military. The Secretary is a civilian appointee. The position exists so that the department is directed by civilian leadership rather than solely by uniformed officers.
• Department-wide authority. The Secretary's scope covers the whole department, not a single service branch or a single theater of operations.

Core Responsibilities

The role centers on direction and accountability rather than tactical command. In practical terms, the Secretary:

• Leads the department — sets priorities, oversees organization and management, and is responsible for how the department performs its mission.
• Sets and carries out policy — translates the President's direction into departmental policy and programs.
• Reports to the President — serves at the President's direction as part of the cabinet and advises on defense matters.
• Works with Congress — engages on authorization, appropriations, and oversight, since the department's funding and authorities come from Congress.

Secretary vs. Deputy Secretary vs. Joint Chief

The three titles appear together on war.gov's keyword list, but they describe different layers of the same organization. The table below compares them on the dimensions that matter for understanding who does what.

The key distinction: the Secretary and Deputy Secretary are civilian leaders of the department, while the Joint Chief is the senior military adviser. The Secretary does not take the Joint Chief's place in the military chain of command, and the Joint Chief does not take the Secretary's place as the department's civilian head.

Why the Civilian/Military Split Matters

The separation is a structural feature, not a formality. Civilian leadership decides what the department does and how it is resourced; military leadership advises on and executes military matters. When you read about a decision "by the Secretary," it means a civilian policy or management decision at the top of the department — not an operational order issued through the uniformed chain.

A concrete example: if the department shifts spending toward a new program or changes a personnel policy, that is Secretary-level civilian direction. If a combatant commander needs guidance on employing forces, that runs through the military chain, informed by the Joint Chiefs. The two tracks are related but distinct.

Finding the Current Secretary and Official Information

To identify who currently holds the office and read official statements, go to the department's official site, war.gov. The site is the authoritative source for the department's leadership, news, and policy material; the Secretary's page and departmental announcements are the places to confirm the current officeholder and the role's current scope.

Because leadership changes and page locations are updated over time, treat war.gov itself — rather than any secondary summary — as the reference point when you need the current name or the latest official description of the role.