(Military) ECHO stands for European Community Humanitarian Aid Department
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
| APA | Military Dictionary (DoD). (2011). echo. Retrieved September 20, 2026, from http://smartdefine.org/echo/definitions/1955419 |
| Chicago | Military Dictionary (DoD). 2011. "echo" http://smartdefine.org/echo/definitions/1955419 (accessed September 20, 2026). |
| Harvard | Military Dictionary (DoD) 2011, echo, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/echo/definitions/1955419>. |
| MLA | Military Dictionary (DoD). "echo" 4 April 2011. Web. 20 September 2026. <http://smartdefine.org/echo/definitions/1955419> |