text: Military Terms
  exposure — The frequency and length of time personnel and equipment are subjected to a hazard or hazards.
  (ATP 5-19)
  exterior lines — Lines on which a force operates when its operations converge on the enemy. (ADP 3-0)
  external audience — (DOD) In public affairs, all people who are not United States military members,
  Department of Defense civilian employees, and their immediate families. (JP 3-61)
  external support contract — (DOD) Contract awarded by Contracting organizations whose Contracting
  authority does not derive directly from the theater support Contracting head(s) of a Contracting activity or from
  systems support Contracting authorities. (JP 4-10)
  —F—
  463L system — (DOD) A material handling system that consists of military and civilian aircraft cargo restraint rail
  systems, aircraft pallets, nets, tie down, coupling devices, facilities, handling equipment, procedures, and other
  components designed to efficiently accomplish the air logistics and aerial delivery mission. (JP 4-09)
  facility — (DOD) A real property entity consisting of one or more of the following: a building, a structure, a utility
  system, pavement, and underlying land. (JP 3-34)
  far side objective — A defined location oriented on terrain or an enemy force that an assaulting force seizes to
  eliminate enemy direct fires to prevent the enemy from interfering with the reduction of the obstacle and allows
  follow-on forces to move securely through the created lanes. (ATP 3-90.4)
  federal service — (DOD) A term applied to National Guard members and units when called to active duty to
  serve the United States Government under Article I, Section 8 and Article II, Section 2 of the Constitution and
  the Title 10, United States Code, Sections 12401 to 12408. (JP 4-05)
  feint — (DOD) In military deception, an offensive action involving contact with the adversary conducted for the
  purpose of deceiving the adversary as to the location and/or time of the actual main offensive action. (JP 3-
  13.4) (Army) A variation of tactical deception that makes contact solely to deceive the adversary as to the
  location, time of attack or both. (FM 3-90)
  field army — (DOD) An echelon of command that employs multiple corps, divisions, multifunctional brigades,
  and functional brigades to achieve objectives on land. (JP 3-31) See also Army corps.
  field artillery — (DOD) Equipment, supplies, ammunition, and personnel involved in the use of cannon, rocket,
  or surface-to-surface missile launchers. (JP 3-09) Also called FA. (Army) The equipment, supplies,
  ammunition, and personnel involved in the use of indirect fire cannon, rocket, or surface-to-surface missile
  launchers. (FM 3-09) Also called FA.
  field confirmatory identification — The employment of technologies with increased specificity and sensitivity
  by technical forces in a field environment to identify chemical, biological, radiological, and/or nuclear hazard
  with a moderate level of confidence and degree of certainty necessary to support follow-on tactical decisions.
  (ATP 3-11.37)
  field force engineering — The application of the Engineer Regiment capabilities from the three engineer
  disciplines (primarily general engineering) to support operations through reachback and forward presence.
  (FM 3-34)
  field historian — An Army historian, military or civilian, that serves outside of the Center of Military History
  documenting, recording, and reporting the official history of the Army at the command and unit levels. (ATP 1-
  20)
  field maintenance — On system maintenance, repair and return to the user including maintenance actions
  performed by operators. (FM 4-30)
  field of fire — The area that a weapon or group of weapons may cover effectively from a given position. (FM 3-
  90)
  field services — Includes aerial delivery, food service, shower and laundry, mortuary affairs, and water
  purification. These services enhance unit effectiveness and mission success by providing for Soldier basic
  needs. (ADP 4-0)
  fighter engagement zone — (DOD) In air defense, that airspace of defined dimensions within which the
  responsibility for engagement of air threats normally rests with fighter aircraft. (JP 3-01) Also called FEZ.
  final coordination line — A phase line close to the enemy position used to coordinate the lifting or shifting of
  supporting fires with the final deployment of maneuver elements. (ADP 3-90) Also called FCL.
  final protective fire — (DOD) An immediately available prearranged barrier of fire designed to impede enemy
  movement across defensive lines or areas. (JP 3-09.3) Also called FPF.
  final protective line — A selected line of fire where an enemy assault is to be checked by interlocking fire from
  all available weapons and obstacles. (FM 3-90) Also called FPL.