(Military) SPA stands for one of the following: special psychological operations (PSYOP) assessment; submarine patrol area
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
| APA | Military Dictionary (DoD). (2011). spa. Retrieved September 21, 2026, from http://smartdefine.org/spa/definitions/1959087 |
| Chicago | Military Dictionary (DoD). 2011. "spa" http://smartdefine.org/spa/definitions/1959087 (accessed September 21, 2026). |
| Harvard | Military Dictionary (DoD) 2011, spa, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/spa/definitions/1959087>. |
| MLA | Military Dictionary (DoD). "spa" 4 April 2011. Web. 21 September 2026. <http://smartdefine.org/spa/definitions/1959087> |