#supporting_fire  fire delivered by supporting units to protect or assist a unit in combat
  supertype:  firing__fire  the act of firing weapons or artillery at an enemy; "hold your fire until you can see the whites of their eyes"; "they retreated in the face of withering enemy fire"
  subtype:  close_supporting_fire  fire on enemy troops or weapons or positions that are near the supported unit and are the most immediate and serious threat to it
  subtype:  deep_supporting_fire  fire on objectives not in the immediate vicinity your forces but with the objective of destroying enemy reserves and weapons nad interfering with the enemy command and supply and communications
  subtype:  direct_supporting_fire  fire delivered in support of part of a force (as opposed to general supporting fire delivered in support of the force as a whole)

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