text: Chapter 1
  casualty collection point —A location that may or may not be staffed, where casualties are assembled for
  evacuation to a medical treatment facility. (ATP 4-02.2)
  casualty evacuation — (DOD) The unregulated movement of casualties that can include movement both to and
  between medical treatment facilities. (JP 4-02) Also called CASEVAC. (Army) The movement of casualties
  aboard nonmedical vehicles or aircraft without en route medical care. (ATP 4-02.13)
  catastrophic event — (DOD) Any natural or man-made incident, including terrorism, which results in
  extraordinary levels of mass casualties, damage, or disruption severely affecting the population, infrastructure,
  environment, economy, national morale, and/or government functions. (JP 3-28)
  C-day — (DOD) The unnamed day on which a deployment operation commences or is to commence. (JP 5-0)
  cell — (DOD) A subordinate organization formed around a specific process, capability, or activity within a
  designated larger organization of a joint force commander’s headquarters. (JP 3-33)
  censor zone — An area from which weapons locating radar is prohibited from reporting acquisitions. (FM 3-09)
  Also called CZ.
  center of gravity — (DOD) The source of power that provides moral or physical strength, freedom of action, or
  will to act. (JP 5-0) Also called COG.
  centralized control — (Army) A focal point for transportation planning and resource allocation at the appropriate
  integrated logistics support level to manage current and future requirements of the supported force. (ATP 4-
  16)
  chaff — (DOD) Radar confusion reflectors, consisting of thin, narrow metallic strips of various lengths and
  frequency responses, which are used to reflect echoes for confusion purposes. (JP 3-85)
  chain of command — (DOD) The succession of commanding officers from a superior to a subordinate through
  which command is exercised. (JP 1 Volume 2) Also called command channel.
  characteristic — A feature or quality that marks an organization or function as distinctive or is representative of
  that organization or function. (ADP 1-01)
  checkpoint — A predetermined point on the ground used to control movement, tactical maneuver, and
  orientation. (FM 3-90) Also called CP.
  chemical agent — (DOD) A chemical substance that is intended for use in military operations to kill, seriously
  injure, or incapacitate mainly through its physiological effects. (JP 3-11)
  chemical hazard — (DOD) Any chemical manufactured, used, transported, or stored that can cause death or
  other harm through toxic properties of those materials, including chemical agents and chemical weapons
  prohibited under the Chemical Weapons Convention as well as toxic industrial chemicals. (JP 3-11)
  chemical warfare — (DOD) All aspects of military operations involving the employment of lethal and
  incapacitating chemical munitions/agents and the warning and protective measures associated with such
  offensive operations. (JP 3-11) Also called CW.
  chemical weapon — (DOD) Together or separately, (a) a toxic chemical and its precursors, except when
  intended for a purpose not prohibited under the chemical Weapons Convention; (b) a munition or device,
  specifically designed to cause death or other harm through toxic properties of those chemicals specified in (a),
  above, which would be released as a result of the employment of such munition or device; (c) any equipment
  specifically designed for use directly in connection with the employment of munitions or devices specified in
  (b), above. (JP 3-11)
  chemical, biological, radiological, and nuclear defense — (DOD) Measures taken to minimize or negate the
  vulnerabilities and/or effects of a chemical, biological, radiological, or nuclear hazard incident. (JP 3-11) Also
  called CBRN defense.
  chemical, biological, radiological, and nuclear environment — (DOD) An operational environment that
  includes chemical, biological, radiological, and nuclear threats and hazards and their potential resulting
  effects. (JP 3-11) Also called CBRN environment.
  chemical, biological, radiological, and nuclear hazard — (DOD) Chemical, biological, radiological, and
  nuclear elements that could create adverse effects due to an accidental or deliberate release and
  dissemination. (JP 3-11)
  chemical, biological, radiological, and nuclear operations — Chemical, biological, radiological, and nuclear
  operations include the employment of capabilities that assess, protect against, and mitigate the entire range of
  chemical, biological, radiological, and nuclear incidents to enable freedom of action. (FM 3-11)
  chemical, biological, radiological, and nuclear passive defense — Measures taken to prevent, minimize or
  negate the vulnerability to, and effects of, chemical, biological, radiological, or nuclear threats and hazards.
  (ATP 3-11.32) Also called CBRN passive defense.