(DoD) The shared or interconnected system of computers, communications, data applications, security, people, training, and other support structures serving Department of Defense (DoD) local, national, and worldwide information needs. The defense information infrastructure connects DOD mission support, command and control, and intelligence computers through voice, telecommunications, imagery, video, and multimedia services. It provides information processing and services to subscribers over the Defense Information Systems Network and includes command and control, tactical, intelligence, and commercial communications systems used to transmit DOD information. Also called DII. See also global information infrastructure; information; infrastructure; national information infrastructure.
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
| APA | Military Dictionary (DoD). (2011). defense information infrastructure. Retrieved September 22, 2026, from http://smartdefine.org/defense_information_infrastructure/definitions/1961288 |
| Chicago | Military Dictionary (DoD). 2011. "defense information infrastructure" http://smartdefine.org/defense_information_infrastructure/definitions/1961288 (accessed September 22, 2026). |
| Harvard | Military Dictionary (DoD) 2011, defense information infrastructure, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/defense_information_infrastructure/definitions/1961288>. |
| MLA | Military Dictionary (DoD). "defense information infrastructure" 4 April 2011. Web. 22 September 2026. <http://smartdefine.org/defense_information_infrastructure/definitions/1961288> |