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defense information system network
avia.	国防信息系统网
defense information systems network
USA, space	国防信息系统网
English thesaurus
Defense Information Systems Network
abbr., astronaut., mil.	DISN (See the DISA Logo)
IT, abbr.	DISN (Mil., USA)
mil., abbr.	DISN
USA	The integrated network, centrally managed and configured by the Defense Information Systems Agency to provide dedicated point-to-point, switched voice and data, imagery, and video teleconferencing services for all Department of Defense activities (JP 6-0)
Defense Information System Network
abbr., astronaut., mil.	DISN

defense information system network: 2 phrases in 2 subjects

Air defense	1
Electronics	1