noun
- Electronic warfare undertaken under direct control of an operational commander to locate sources of radiated electromagnetic energy for the purpose of immediate threat recognition.
- synonyms: electronic warfare-support measures
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). esm. Retrieved September 21, 2026, from http://smartdefine.org/esm/definitions/1273557 |
| Chicago | WordNet. 2010. "esm" http://smartdefine.org/esm/definitions/1273557 (accessed September 21, 2026). |
| Harvard | WordNet 2010, esm, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/esm/definitions/1273557>. |
| MLA | WordNet. "esm" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/esm/definitions/1273557> |