Joint Chiefs of Staff

The Joint Chiefs of Staff (JCS) is the group of the most senior military leaders within the United States Department of Defense, which advises the president of the United States, the secretary of defense, the Homeland Security Council and the National Security Council on military affairs. 

It is made up of a chairman (CJCS), a vice chairman (VJCS), the chiefs of the Army, Marine Corps, Navy, Air Force, Space Force, and the National Guard Bureau.10 USC 151. Joint Chiefs of Staff: composition; functions Each of the individual service chiefs works directly under the secretaries of their military departments.10 U.S.C. §3033 10 U.S.C. §5033 10 U.S.C. §5043 10 U.S.C. §8033 

References

*