JP 3-0, page 201

Glossary GL-17 commander’s force or capabilities, and who is responsible for ensuring that the supporting commander understands the assistance required. (Approved for incorporation into JP 1-02.) supporting commander. 1. A commander who provides augmentation forces or other support to a supported commander or who develops a supporting plan. 2. In the context of a support command relationship, the commander who aids, protects, complements, or sustains another commander’s force, and who is responsible for providing the assistance required by the supported commander. (Approved for incorporation into JP 1-02.) supporting forces. None. (Approved for removal from JP 1-02.) surveillance. The systematic observation of aerospace, surface, or subsurface areas, places, persons, or things, by visual, aural, electronic, photographic, or other means. (JP 1-02. SOURCE: 3-0) sustainability. None. (Approved for removal from JP 1-02.) sustainment. The provision of logistics and personnel services required to maintain and prolong operations until successful mission accomplishment. (JP 1-02. SOURCE: JP 3-0) system. A functionally, physically, and/or behaviorally related group of regularly interacting or interdependent elements; that group of elements forming a unified whole. (JP 1-02. SOURCE: JP 3-0) tactical level of war. The level of war at which battles and engagements are planned and executed to achieve military objectives assigned to tactical units or task forces. (Approved for incorporation into JP 1-02.) tactical unit. None. (Approved for removal from JP 1-02.) targeting. The process of selecting and prioritizing targets and matching the appropriate response to them, considering operational requirements and capabilities. (JP 1-02. SOURCE: JP 3-0) termination criteria. The specified standards approved by the President and/or the Secretary of Defense that must be met before a joint operation can be concluded. (JP 1-02. SOURCE: JP 3-0) theater of operations. An operational area defined by the geographic combatant commander for the conduct or support of specific military operations. Also called TO. (Approved for incorporation into JP 1-02.) theater of war. Defined by the President, Secretary of Defense, or the geographic combatant commander as the area of air, land, and water that is, or may become,