(DoD) The unified organization of signals intelligence activities under the direction of the Director, National Security Agency/Chief, Central Security Service. It consists of the National Security Agency/Central Security Service, the components of the Military Services authorized to conduct signals intelligence, and such other entities (other than the Federal Bureau of Investigation) authorized by the National Security Council or the Secretary of Defense to conduct signals intelligence activities. Also called USSS. See also counterintelligence.
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
| APA | Military Dictionary (DoD). (2011). united states signals intelligence system. Retrieved September 25, 2026, from http://smartdefine.org/united_states_signals_intelligence_system/definitions/1959850 |
| Chicago | Military Dictionary (DoD). 2011. "united states signals intelligence system" http://smartdefine.org/united_states_signals_intelligence_system/definitions/1959850 (accessed September 25, 2026). |
| Harvard | Military Dictionary (DoD) 2011, united states signals intelligence system, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/united_states_signals_intelligence_system/definitions/1959850>. |
| MLA | Military Dictionary (DoD). "united states signals intelligence system" 4 April 2011. Web. 25 September 2026. <http://smartdefine.org/united_states_signals_intelligence_system/definitions/1959850> |