A method for behavior based Friend/Foe/Neutral determination is disclosed. The method receives RF communications from a plurality of perceived entities and records a plurality of first level characteristics of the RF communications. The method determines, from an analysis of the first level characteristics a plurality of second level characteristics of the RF communications. From these second level characteristics, the method determines transmission patterns of the entities over time which lead to an ultimate classification of the perceived entity as a Friend/Foe/Neutral based on the patterns.