Identification friend or foe

In telecommunications, identification, friend or foe (IFF) is an identification system designed for command and control.  It enables military and national (civilian-located ATC) interrogation systems to identify aircraft, vehicles or forces as friendly and to determine their bearing and range from the interrogator. (from Wikipedia).

Now, defensive handgun carriers can access a database map that shows carry friendly and unfriendly locations. It is known as-

 Friend or Foe

Be sure to:
1. check the list before you go.
2. check the doors every where you go (situations change).
3. post your observations to the map.

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Disclaimer: The information and ideas presented in this column are provided for informational purposes only. Gun rights, like all other Constitutionally recognized rights, must be exercised responsibly. Firearms, like cars, kitchen knives and life itself all can be dangerous. You should get professional training as part of any plan to use firearms for any purpose. I have made a reasonable, good-faith effort to assure that the content of this column is accurate. I have no control over what you do, and specifically accept no responsibility for anything you do as a result of reading my columns. Any action or lack of action on your part is strictly your responsibility.