#electronic_warfare__EW  military action involving the use of electromagnetic energy to determine or exploit or reduce or prevent hostile use of the electromagnetic spectrum
  supertype:  military_action__action  a military engagement; "he saw action in Korea"
  subtype:  electronic_countermeasures__ECM  electronic warfare undertaken to prevent or reduce an enemy's effective use of the electromagnetic spectrum
     subtype:  electronic_deception  the deliberate use of electromagnetic energy in a manner intended to convey misleading information
        subtype:  manipulative_electronic_deception__electronic_manipulative_deception  actions to eliminate revealing telltale indicators that could be used by the enemy (or to convey misleading indicators)
        subtype:  simulative_electronic_deception__electronic_simulative_deception  actions to represent friendly notional or actual capabilities to mislead hostile forces
        subtype:  imitative_electronic_deception__electronic_imitative_deception  the introduction of electromagnetic energy into enemy systems that imitates enemy emissions
     subtype:  electronic_jamming__jamming__jam  deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems
        subtype:  barrage_jamming__barragejamming  electronic jamming over a wide range of frequencies simultaneously
        subtype:  spot_jamming__selective_jamming__selectivejamming  electronic jamming of a specific channel or frequency
  subtype:  electronic_counter-countermeasures__ECCM  electronic warfare undertaken to insure effective friendly use of the electromagnetic spectrum in spite of the enemy's use of electronic warfare
  subtype:  electronic_warfare-support_measures__ESM  electronic warfare undertaken under direct control of an operational commander to locate sources of radiated electromagnetic energy for the purpose of immediate threat recognition
  subtype:  electromagnetic_intrusion__electromagneticintrusion  the deliberate insertion of electromagnetic energy into transmission paths with the objective of confusing or deceiving operators

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