The Department of the Navy is separately organized under the Secretary of the Navy. It operates under the authority, direction, and control of the Secretary of Defense.
Structure US Code
Subtitle C— Navy and Marine Corps
CHAPTER 803— DEPARTMENT OF THE NAVY
§ 8012. Department of the Navy: seal
§ 8013a. Secretary of the Navy: powers with respect to Coast Guard
§ 8014. Office of the Secretary of the Navy
§ 8015. Under Secretary of the Navy
§ 8016. Assistant Secretaries of the Navy
§ 8017. Secretary of the Navy: successors to duties
§ 8018. Administrative Assistant
§ 8020. Naval Inspector General: detail; duties
§ 8022. Office of Naval Research: duties
§ 8023. Office of Naval Research: appropriations; time limit
§ 8024. Naval Research Advisory Committee