text: Glossary
  force tailoring
  The process of determining the right mix of forces and the sequence of their deployment in support of
  a joint force commander. (ADP 3-0)
  forcible entry
  Seizing and holding of a military lodgment in the face of armed opposition or forcing access into a
  denied area to allow movement and maneuver to accomplish the mission. (JP 3-18)
  foreign internal defense
  Participation by civilian and military forces of a government or international organizations in any of
  the programs and activities undertaken by a host nation government to free and protect its society from
  subversion, lawlessness, insurgency, terrorism, and other threats to its security. (JP 3-22)
  foreign security forces
  Personnel organized and/or employed for security, whether they are civil or military, federal, state or
  provincial, or local. (JP 3-20)
  forward air controller (airborne)
  A specifically trained and qualified aviation officer, normally an airborne extension of the tactical air
  control party, who exercises control from the air of aircraft engaged in close air support of ground
  troops. (JP 3-09.3)
  forward edge of the battle area
  The foremost limits of a series of areas in which ground combat units are deployed to coordinate fire
  support, the positioning of forces, or the maneuver of units, excluding areas in which covering or
  screening forces are operating. (JP 3-09.3)
  forward line of own troops
  A line that indicates the most forward positions of friendly forces in any kind of military operation at a
  specific time. (FM 3-90)
  forward observer
  An individual operating with front line troops trained to adjust ground or naval gunfire and pass
  battlefield information. (JP 3-09)
  fratricide
  The unintentional killing or wounding of friendly or neutral personnel by friendly firepower. (ADP 3-
  37)
  free-fire area
  A specific region into which any weapon system may fire without additional coordination with the
  establishing headquarters. (JP 3-09)
  function
  The broad, general, and enduring role for which an organization is designed, equipped, and trained. (JP
  1, Volume 1)
  general support
  Support which is given to the supported force as a whole and not to any particular subdivision thereof.
  (JP 3-09.3)
  general support-reinforcing
  A support relationship assigned to a unit to support the force as a whole and to reinforce another
  similar type unit. (FM 3-0)
  graphic control measure
  A symbol used on maps and displays to regulate forces and warfighting functions. (ADP 6-0)
  *harassing fire
  Unpredictable and intermittent fire designated to disturb enemy troops not physically engaged in
  combat with the intent to curtail movement, readiness, ability to fight, and lower morale.