The Navy has an annual budget in excess of $170 billion and nearly 900,000 sailors, marines and civilians. The Department of the Navy consists of two uniformed services: the United States Navy and the United States Marine Corps.
• Responsible for all the affairs of the Department of the Navy, including: recruiting, organizing, supplying, equipping, training, mobilizing and demobilizing.
• Oversees the construction, outfitting and repair of naval ships, equipment and facilities.
• Formulates policies and programs that are consistent with the national security policies and objectives established by the president and the secretary of Defense.
• Implements policy, program and budget decisions and instructions of the president or the SECDEF relating to the functions of the DON in a timely and efficient manner.
• Carries out the functions of the DON so as to fulfill the current and future operational requirements of the unified and specified combatant commands.
• Cooperates and coordinates with the other military departments and agencies of the Department of Defense to provide for more effective, efficient and economical administration and to eliminate duplication.
• Presents and justifies the position of the DON on the plans, programs and policies of the DOD.
• Supervises and ensures effectiveness of the intelligence activities of the DON.
• Serves as the civilian head of the Marine Corps.
• Serves as a member of the Defense Acquisition Board, chaired by the undersecretary of Defense for acquisition, technology and logistics.
• Responsible for such other activities as may be prescribed by law or by the president or SECDEF.