Which US Code establishes the roles, missions, and organization of the DoD, Army, Navy, USAF and the Federal Reserve?

• A. Title 10
• B. Title 22
• C. Title 32
• D. Title 50

Answer: (A)

This item tests understanding of which part of the U.S. Code sets up the framework for the Defense Department and the armed services. The correct choice is Title 10, which specifically governs the roles, missions, and organization of the Department of Defense and the individual services—the Army, Navy, and Air Force. It defines the chain of command, the authorities of the Secretary of Defense and service secretaries, and how the military is structured and administered. The Federal Reserve is not part of this framework; it falls under Title 12. Other titles cover related areas but not the formal organization of the DoD and its services (for example, the National Guard is under Title 32, and broad War/National Defense matters appear in Title 50). So, for defining how the military is organized and operated, Title 10 is the authoritative source.