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Defense Primer: Electronic Warfare (CRS Report for Congress)

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Release Date Revised Nov. 14, 2022
Report Number IF11118
Report Type In Focus
Authors John R. Hoehn
Source Agency Congressional Research Service
Older Revisions
  • Premium   Revised Nov. 23, 2021 (3 pages, $24.95) add
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Summary:

Electronic warfare (EW), as defined by the Department of Defense (DOD), are military activities that use electromagnetic energy to control the electromagnetic spectrum (“the spectrum”) and attack an enemy. The spectrum is a range of frequencies for electromagnetic energy. EW supports command and control (C2) by allowing military commanders’ access to the spectrum to communicate with forces, while preventing potential adversaries from accessing the spectrum to develop an operational picture and communicate with their forces.