electronic countermeasures
Definition/Scope: (FM 100-5). The use of either electromagnetic or directed energy to degrade, neutralize, or destroy an enemy's combat capability. (JP 1-02). That division of electronic warfare involving the use of electromagnetic or directed energy to attack personnel, facilities, or equipment with the intent of degrading, neutralizing, or destroying enemy combat capability. Includes 1) actions taken to prevent or reduce an enemy's effective use of the electromagnetic spectrum, such as jamming and electromagne
Used For:
anti-communications warfareAcronym:
ECMBroader Terms:
electronic warfareNarrower Terms:
CREWRelated Terms:
AN/ALQ-161A