The commander in chief of the military in the United States is the President. According to the U.S. Constitution (Article II, Section 2), the president is designated as "Commander in Chief of the Army and Navy of the United States, and of the militia of the several States, when called into the actual Service of the United States"

. This role gives the president supreme command and control over all branches of the U.S. Armed Forces, including the Army, Navy, Air Force, and Marine Corps, as well as the National Guard when federally activated. The position is held by the head of state and government, ensuring civilian control over the military. The president has the authority to deploy troops, direct military operations, and set military policy, although Congress retains powers such as declaring war and controlling military funding

. In summary, the U.S. President is the commander in chief of the military, exercising ultimate authority over the armed forces as established by the Constitution