text: Military Terms
  terrain management — The process of allocating terrain by specifying locations for units and activities to
  deconflict activities that might interfere with each other. (FM 3-90)
  terrorism — (DOD) The unlawful use of violence or threat of violence, often motivated by religious, political, or
  other ideological beliefs, to instill fear and coerce individuals, governments or societies in pursuit of terrorist
  goals. (JP 3-26)
  theater — (DOD) The geographical area for which a commander of a geographic combatant command has been
  assigned responsibility. (JP 1 Volume 1)
  theater Army — (DOD) An echelon of command designated as the Army Service component command
  responsible for recommendations of allocation and employment of Army forces to the geographic combatant
  commander. (JP 3-31) Also called TA.
  theater closing — The process of redeploying Army forces and equipment from a theater, the drawdown and
  removal or disposition of Army non-unit equipment and materiel, and the transition of materiel and facilities
  back to host nation or civil authorities. (ADP 4-0)
  theater container management — The supervision and control of containers as they move through the
  distribution system to ensure they are delivered, discharged and returned in accordance to the combatant
  commander’s concept of operations. (ATP 4-12)
  theater distribution — (DOD) The flow of personnel, equipment, and materiel within theater to meet the
  geographic combatant commander’s missions. (JP 4-09)
  theater distribution system — (DOD) The four independent and mutually supported networks within an area of
  responsibility to meet the geographic combatant commander’s requirements: the physical network, the
  financial network, the information network, and the communications network. (JP 4-01)
  theater evacuation policy — A command decision indicating the length in days of the maximum period of
  noneffectiveness that patients may be held within the command for treatment, and the medical determination
  of patients that cannot be returned to duty status within the period prescribed requiring evacuation by the first
  available means, provided the travel involved will not aggravate their disabilities or medical condition. (ATP 4-
  02.2)
  theater of operations — (DOD) An operational area defined by the combatant commander for the conduct or
  support of specific military operations. (JP 3-0) Also called TO.
  theater opening — The ability to establish and operate ports of debarkation (air, sea, and rail), to establish a
  distribution system and sustainment bases, and to facilitate throughput for the reception, staging, and onward
  movement of forces within a theater of operations. (ADP 4-0)
  theater special operations command — (DOD) A subordinate unified command established by a combatant
  commander to plan, coordinate, conduct, and support joint special operations. (JP 3-05) Also called TSOC.
  theater strategic level of warfare — The level of warfare at which combatant commanders synchronize with
  unified action partners and employ all elements of national power to fulfill policy aims within the assigned
  theater in support of the national strategy. (FM 3-0)
  theater support contract — (DOD) A type of contract awarded by contingency contracting officers in the
  operational area serving under the direct contracting authority of the Service component, United States
  Special Operations Command, or designated joint head of a contracting activity for the operation. (JP 4-10)
  theater validation identification — The employment of multiple independent, established protocols and
  technologies by scientific experts in the controlled environment of a fixed or mobile/transportable laboratory to
  characterize a chemical, biological, radiological, and/or nuclear hazard with a high level of confidence and
  degree of certainty necessary to support operational-level decisions. (ATP 3-11.37)
  thermal crossover — (DOD) The natural phenomenon that normally occurs twice daily when temperature
  conditions are such that there is a loss of contrast between two adjacent objects on infrared imagery. (JP 3-
  09.3)
  thorough decontamination — (DOD) Decontamination carried out by a unit to reduce contamination on
  personnel, equipment, materiel, and/or working areas equal to natural background or to the lowest possible
  levels, to permit the partial or total removal of individual protective equipment and to maintain operations with
  minimum degradation. (JP 3-11)
  threat — Any combination of actors, entities, or forces that have the capability and intent to harm United States
  forces, United States national interests, or the homeland. (ADP 3-0)
  threat assessment — (DOD) In antiterrorism, examining the capabilities, intentions, and activities, past and
  present, of terrorist organizations, as well as the security environment within which friendly forces operate to
  determine the level of threat. (JP 3-26) Also called TA.