Military action involving the use of electromagnetic energy to determine, exploit, reduce, or prevent hostile use of the electromagnetic spectrum and action which retains friendly use of the electromagnetic spectrum. Electronic warfare is divided into three categories - ESM, ECM, ECCM.
That division of the military use of electronics involving actions taken to prevent or reduce an enemy's effective use of radiated electromagnetic energy, and actions taken to ensure our own effective use of radiated electromagnetic energy.
The use of electronic signals and systems to disrupt the function of an opponent's surveillance, defense or communications systems.
Any military action involving the use of electromagnetic and directed energy to control the electromagnetic spectrum or to attack the enemy. The three major subdivisions within electronic warfare are: electronic attack, electronic protection, and electronic warfare support (DOD JP 1994; JCS 1997).
Military action involving the use of electromagnetic or directed energy, with the exception of lasers,to attack an enemy's capability; protection of friendly capability against EW effects; and, surveillance of the electromagnetic spectrum for threat recognition in support of electronic warfare operations and other tactical actions such as threat avoidance, targeting, and homing.
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Military actions that include: electronic attackthe use of either electromagnetic or directed energy to degrade, neutralize, or destroy an enemy's combat capability; electronic protectionthose actions taken to protect personnel, facilities, and equipment from friendly or enemy employment of electronic warfare; electronic warfare supportthose actions tasked by an operational commander to search for, intercept, identify, and locate sources of radiated electromagnetic energy for the purpose of immediate threat recognition
Electronic warfare (EW) is the use of the electromagnetic spectrum to deny its effective use by an adversary.
