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The President of the United States is, according to the Constitution, the Commander-in-Chief of the U.S. Armed Forces and Chief Executive of the Federal Government. The Secretary of Defense is the "Principal Assistant to the President in all matters relating to the Department of Defense", and is vested with statutory authority (10 U.S.C. § 113) to lead the Department and all of its component ...
Its main responsibilities are to control the Armed Forces of the United States. It is headed by the Secretary of Defense. The department was established in 1947 and is divided into three major Departments—the Department of the Army, Navy and Air Force, as well as a number of other component organizations.
The Department of Defense is composed of the Office of the Secretary of Defense (OSD), the Joint Chiefs of Staff (JCS) and the Joint Staff (JS), Office of the Inspector General (DODIG), the Combatant Commands, the Military Departments (Department of the Army (DA), Department of the Navy (DON) & Department of the Air Force (DAF)), the Defense ...
The chain of command leads from the president (as commander-in-chief) through the secretary of defense down to the newest recruits. [2] [3] The United States Armed Forces are organized through the United States Department of Defense, which oversees a complex structure of joint command and control functions with many units reporting to various commanding officers.
The United States Department of Defense (DoD, [2] USDOD, or DOD) is an executive branch department of the federal government of the United States charged with coordinating and supervising the five U.S. armed services, the Army, Navy, Marines, Air Force, Space Force, the Coast Guard for some purposes, and related functions and agencies.
The heads of departments, appointed by the president and confirmed by the Senate, are members of the Cabinet, and acting department heads also participate in Cabinet meetings whether or not they have been officially nominated for Senate confirmation. Members of the Cabinet are political appointees and administratively operate their departments.
The Department of Defense announces contracts valued at $7 million or more each business day at 5 pm. [2] All defense contractors maintain CAGE (Commercial and Government Entity) Codes and are profiled in the System for Award Management (SAM).
Department of Defense (as executive department) became and still are military departments within the Department of Defense: Secretary of the Navy: Francis P. Matthews: Army: September 18, 1947 Secretary of the Army: Gordon Gray: Air Force: Secretary of the Air Force: Stuart Symington: Post Office: February 20, 1792 July 1, 1971: United States ...