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Defense Information Infrastructure (DII)

The shared or interconnected system of computers, communications, data, applications, security, people, training, and other support structure, serving Department of Defense (DoD) local and worldwide information needs. D Glossary TOC 74 The DII encompasses: • Information transfer and processing resources, including information and data storage, manipulation, retrieval, and display • Connections across DoD mission support, Command and Control (C2), and intelligence computers and users through voice, data, imagery, video, and multimedia services • Information processing and value-added services to subscribers over the Defense Information Systems Network (DISN).