(DoD, NATO) Any straight line to which the fall of shot of projectiles is related or fire is adjusted by an observer or a spotter. See also gun-target line; observer-target line.
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
| APA | Military Dictionary (DoD). (2011). spotting line. Retrieved September 20, 2026, from http://smartdefine.org/spotting_line/definitions/1964096 |
| Chicago | Military Dictionary (DoD). 2011. "spotting line" http://smartdefine.org/spotting_line/definitions/1964096 (accessed September 20, 2026). |
| Harvard | Military Dictionary (DoD) 2011, spotting line, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/spotting_line/definitions/1964096>. |
| MLA | Military Dictionary (DoD). "spotting line" 4 April 2011. Web. 20 September 2026. <http://smartdefine.org/spotting_line/definitions/1964096> |