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Chapter IV IV-12 JP 3-0 separate theater of operations) within a single boundary for the purposes of C2, sustainment, protection, or mutual support. A theater of war does not normally encompass a GCC’s entire AOR, but may cross the boundaries of two or more AORs. (3) Theater of Operations. A theater of operations is an operational area defined by the GCC for the conduct or support of specific military operations. A theater of operations is established primarily when the scope of the operation in time, space, purpose, and/or employed forces exceeds what a JOA can normally accommodate. More than one joint force HQ can exist in a theater of operations. A GCC may establish one or more theaters of operations. Different theaters will normally be focused on different missions. A theater of operations typically is smaller than a theater of war, but is large enough to allow for operations in depth and over extended periods of time. Theaters of operations are normally associated with major operations and campaigns and may cross the boundary of two AORs. c. Operational- and Tactical-Level Areas. For operations somewhat limited in scope and duration, the commander can establish the following operational areas. Figure IV-4. Operational Areas within a Theater Operational Areas within a Theater This example depicts a combatant commander's AOR, also known as a theater. Within the AOR, the combatant commander has designated a theater of war. Within the theater of war are two theaters of operations and a JSOA. To handle a situation outside the theater of war, the combatant commander has established a theater of operations and a JOA, within which a joint task force will operate. JOAs could also be established within the theater of war or theaters of operations. Theater of Operations JSOA JOA AOR Theater of War Legend AOR area of responsibility JOA joint operations area JSOA joint special operations area