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Joint Chiefs of Staff (JCS)

Headquartered in Arlington, Va.

| Official Web site

The Joint Chiefs of Staff (JCS) consist of the chairman, the vice chairman, the chief of staff of the Army, the chief of naval operations, the chief of staff of the Air Force and the commandant of the Marine Corps. The JCS chairman is the principal military adviser to the president, the National Security Council (NSC) and the defense secretary. The other members of the JSC are military advisers who may provide additional information upon request from the president, the NSC or the defense secretary. They may also submit their advice when it does not agree with that of the chairman.

Source: Adapted from U.S. government regulations, "U.S. Government Manual", and "An Overview of the U.S. Intelligence Community"
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