E
- EAAK – Enhanced Appliqué Armor Kit (US)
- EAOS – Enhanced Artillery Observation System
- EBG – Engin Blindé Génie (armoured combat vehicle)
- EBR – Engin Blindé de Reconnaissance (armoured reconnaissance vehicle)
- EBRC – Engine Blindé à roues de Contact
- EC – Enhanced Carbine
- ECM – Electronic countermeasures
- ECOS – Enhanced Combat Optical Sight
- ECS – Environmental Control Subsystem
- ECV – Enhanced Capacity Vehicle
- EDD - Explosive Detonation Disruption
- EDS – Electric Drive System
- EFAB – Etablissement d'Etudes et de Fabrications d'Armement de Bourges
- EFC – equivalent full charge
- EFCR – equivalent full charge rounds
- EFM – Explosives Factory Maribyrnong
- EFP – Expanded Feasibility Phase
- EFP – Explosively Formed Penetrator
- EFV – Expeditionary Fighting Vehicle (New name for AAAV)
- EFVS – Electronic Fighting Vehicle System (US)
- EG – External Gun
- EGLM – Enhanced Grenade Launcher Module
- EI – Engineering and Installation
- EIS – Engineering and Installation Squadron
- EI SIT – Engineering and Installation Site Implementation Team
- ELB – Extended Life Barrel
- ELKE – Elevated Kinetic Energy Weapon (US)
- ELS – Electromagnetic Launcher System
- ELSAP – Elektronische Schiessanlage für Panzer (electronic fire system for tanks)
- EM – electromagnetic
- EMC – Executive Management Committee
- EMD – Engineering and Manufacturing Development
- EMDG – Euromissile Dynamics Group
- EMEW - Electromagnetically-Augmented High Explosive Warhead
- EMG – externally mounted gun
- EMP – electromagnetic pulse
- EMPG - Electromagnetic Pulse Grenade
- ENGESA – Engesa Engenheiros Especializados (Brazil)
- EOC – Essential Operational Capability
- EOD – explosive ordnance disposal
- EOR – Explosive Ordnance Reconnaissance
- EOTS – Electro-Optical Tracking System
- EPC – electronic plane conversion
- EPC – Engin Principal de Combat (future main battle tank)
- EPG – Enhanced Performance Grenade
- EPG – European Production Group
- EPG – European Programme Group
- EPS – Electrical Power Subsystem
- EPU – Electronics Processing Unit
- ER – enhanced radiation
- ER – extended range
- ERA – explosive reactive armour
- ERA – extended range ammunition
- ERC – Engin de Reconnaissance Canon
- ERFB – extended range full-bore
- ERFB-BB – extended range full-bore - base bleed
- ERGFCDS – Extended Range Gunnery Fire-Control Demonstration System
- ERGP – extended range guided projectile
- ERMIS – Extended Range Modification Integration System
- ERP – Extended Range Projectile
- ERSC – extended range subcalibre
- ERV – emergency rescue vehicle
- ERV – Engineer Reconnaissance Vehicle
- ES – Extreme Spread
- ESAF – Electronic Safety and Arm Function
- ESD – Electronique Serge Dassault
- ESLDE – Eyesafe Laser Daylight Elbow
- ESPAWS – Enhanced Self-Propelled Artillery Weapon System (US)
- ESRS – electro-slag refined steel
- ETA – Estimated Time of Arrival
- ETC – ElectroThermal Cannon
- ETD – Estimated Time of Departure
- ETM – Electronic Technical Manuals
- ETS – Elevated TOW System
- ETS – Engineer Tank System
- EW – electronic warfare
- EWK – Eisenwerke Kaiserslautern Gцppner
- EWS – external weapon station
Read more about this topic: Glossary Of Military Abbreviations