Who are the Joint Staff is under exclusive authority direction and control of the?

The Joint Staff is under the exclusive authority, direction, and control of the Chairman of the Joint Chiefs of Staff (CJCS). It assists the CJCS in overseeing the planning and execution of military operations and coordinating efforts among the various branches of the armed forces. The Joint Staff comprises military officers from the Army, Navy, Air Force, Marine Corps, and Coast Guard, serving to ensure effective joint operations and strategic planning.