(DoD) The siting of mutually supporting defense positions designed to absorb and progressively weaken attack, prevent initial observations of the whole position by the enemy, and to allow the commander to maneuver the reserve.
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
| APA | Military Dictionary (DoD). (2011). defense in depth. Retrieved September 25, 2026, from http://smartdefine.org/defense_in_depth/definitions/1961286 |
| Chicago | Military Dictionary (DoD). 2011. "defense in depth" http://smartdefine.org/defense_in_depth/definitions/1961286 (accessed September 25, 2026). |
| Harvard | Military Dictionary (DoD) 2011, defense in depth, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/defense_in_depth/definitions/1961286>. |
| MLA | Military Dictionary (DoD). "defense in depth" 4 April 2011. Web. 25 September 2026. <http://smartdefine.org/defense_in_depth/definitions/1961286> |