A combined command contains military elements of two or more allied
b. The authority that establishes a TO will designate the theater commander,
assign the mission, determine the force structure, assign or direct the assignment of
forces, designate the area of responsibility or function, and may designate a second-in-
command. When the President establishes a unified command with the preponderance
of the command consisting of US Army forces, the unified command commander is
normally an Army general officer. The Secretary of the Army appoints the Army
component commander (theater Army commander).
c. Figure 1-1 shows a simplified organization of a theater organized as a unified
command. In such an organization economy and efficiency dictate minimum duplication
of effort among services. Functions that can be performed by one service for the other
services should normally be performed by that service. Service cooperation is in
accordance with the policies announced by the Secretary of Defense, the Joint Chiefs of
Staff, and commanders of unified commands or joint task forces.
Figure 1-1. Simplified organization of a theater command.
(1) Army support. Army support to other forces in the TO includes long-
range artillery and missile fires, operations against land objectives, intelligence, rear
area protection (RAP), air defense, communications, combat service support (CSS),
and civil affairs (CA) and other support as directed by the commander.