Abbreviation Definition
ECS2Executive Control and Subordinate System
ECS-GEngagement Control Station - Ground
ECSRKElectrical Connector Supplemental Repair Kit
ECSUEssential CONUS Support Unit
ECTElite Counter Terrorist
ECTSElectronic Combat Training System
ECUEnvironmental Control Unit
ECVEngineering Change Variance
ECWSSExtreme Cold Weather Sleep System
EDEarly Deployment
EDEffective Date
EDEffective Distance
EDElectronic Defense
EDEngineering Development
EDEnvelope Delay
EDEvaluation Directive
EDEvolutionary Development
EDAEngineering Data Analysis
EDAExcess Defense Articles
EDASEnlisted Distribution and Assignment System

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