text: Appendix B
  Figure B-15. Position area for artillery example
  B-58. The PAA is graphically portrayed by a solid black line defining the area and the letters "PAA" within,
  followed by the establishing HQ and the effective date-time-group (FM 1-02.2). Based on the commander’s
  guidance and FSCOORD input, the maneuver echelon operations officer (G-3 or S-3) establishes PAAs
  within the unit AO.
  B-59. The artillery unit occupies but does not control the PAA and has neither the authority nor
  responsibilities that are associated with a unit assigned an AO. For example, other units can move through a
  PAA without clearing that movement with the occupying artillery unit. The artillery unit occupying a PAA
  establishes liaison with the unit with authority for the AO where the PAA is located. The echelon FSO is
  usually responsible for liaison in accordance with standard command and support relationships.
  B-60. The decision to establish a PAA affects airspace control and coordination for rotary-, fixed-wing, and
  tilt-rotor aircraft integration. A PAA is a base upon which to establish future gun-target lines for lateral
  deconfliction and areas for rotary-, fixed-wing, and tilt rotor aircraft to avoid, depending on high- or low-
  angle artillery fires. For more information on PAAs see ADP 3-90.
  SECTION IV – TARGET ACQUISITION
  B-61. The designation of radar zones provides a means of prioritizing TA radar sectors of search into areas
  of greater or lesser importance. Zones focus radar coverage on the combined arms commander's battlefield
  priorities. A radar zone is a geometric figure placed around an area that designates the area as more, or less,
  important. There are four different types of zones used with the radar:
  * Critical friendly zone.
  * Call for fire zone.
  * Artillery target intelligence zone.
  * Censor zone.
  CRITICAL FRIENDLY ZONE
  B-62. A critical friendly zone a commander designated friendly area of coverage critical to the
  protection of an asset whose loss would seriously jeopardize the mission that is employed by weapons
  locating radar. A CFZ is graphically portrayed (see figure B-16) by a solid black line defining the area and
  the letters "CF ZONE," followed by the identifying name within, plus the effective date-time-group.