(DoD, NATO) In cartography, an image printed on the reverse side of a map sheet already printed on one side. Also the printing of such images.
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
| APA | Military Dictionary (DoD). (2011). back-up. Retrieved September 20, 2026, from http://smartdefine.org/back-up/definitions/1960494 |
| Chicago | Military Dictionary (DoD). 2011. "back-up" http://smartdefine.org/back-up/definitions/1960494 (accessed September 20, 2026). |
| Harvard | Military Dictionary (DoD) 2011, back-up, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/back-up/definitions/1960494>. |
| MLA | Military Dictionary (DoD). "back-up" 4 April 2011. Web. 20 September 2026. <http://smartdefine.org/back-up/definitions/1960494> |