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Abbreviation	Definition
CD	Channel Designator
CD	Civil Defense
CD	Collision Detection
CD	Combat Development
CD	Communications Deception
CD	Conference on Disarmament
CD	Control Data
CD	Coordinating Draft
CD	Counter Drug
CD	Critical Dimension
CD	Customer Direct
CD&I	Combat Development & Integration
CDA	Catalog Data Activity
CDA	Cognitive Decision Aiding
CDA	Corporate Dental Application
CDATS	Chemical Detection and Alarm Training System
C-DAY	Commence Day; the unnamed Day on which a Deployment Operation begins
C-DAY	Conversion Day
CDB	Communications Database
CDB	Construction Development Board

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