The Chairman of the Joint Chiefs of Staff (CJCS) is the highest-ranking military officer in the United States Armed Forces. This position is responsible for advising the President, the Secretary of Defense, and the National Security Council on military matters. The CJCS oversees the Joint Chiefs of Staff, which includes the heads of each military branch, such as the Army, Navy, Air Force, Marine Corps, and Space Force. The CJCS is appointed by the President and confirmed by the Senate, serving a four-year term that can be extended. This role is crucial for coordinating military strategy and ensuring effective communication among the different branches of the military. The CJCS also represents the U.S. military in international forums and discussions.