(DoD) A coordinated series of obstacles designed or employed to channel, direct, restrict, delay, or stop the movement of an opposing force and to impose additional losses in personnel, time, and equipment on the opposing force. Barriers can exist naturally, be man-made, or a combination of both.
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
| APA | Military Dictionary (DoD). (2011). barrier. Retrieved September 23, 2026, from http://smartdefine.org/barrier/definitions/1960518 |
| Chicago | Military Dictionary (DoD). 2011. "barrier" http://smartdefine.org/barrier/definitions/1960518 (accessed September 23, 2026). |
| Harvard | Military Dictionary (DoD) 2011, barrier, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/barrier/definitions/1960518>. |
| MLA | Military Dictionary (DoD). "barrier" 4 April 2011. Web. 23 September 2026. <http://smartdefine.org/barrier/definitions/1960518> |