- restricted area
-
- An area (land, sea, or air) in which there are special restrictive measures employed to prevent or minimize interference between friendly forces.
- An area under military jurisdiction in which special security measures are employed to prevent unauthorized entry. See also restricted areas (air).
(JP 3-34)
- restricted areas (air)
- Designated areas established by appropriate authority over which
flight of aircraft is restricted. See also restricted area. (JP 3-52)
- restrictive fire area
- An area in which specific restrictions are imposed and into which
fires that exceed those restrictions will not be delivered without coordination with the
establishing headquarters. Also called RFA. See also fires. (JP 3-09)
Source:
DOD Dictionary of Military and Associated Terms
March 2017 - pages 202 & 203
https://www.tradoc.army.mil/wp-content/uploads/2020/10/AD1029823-DOD-Dictionary-of-Military-and-Associated-Terms-2017.pdf