- E -

e Elipticity
E Evaporites (soil type)
EA (1) Emergency Action(s); (2) Electronic Attack; (3) Executive Agent
E&A (1) Exploitation and Analysis; (2) Engineering and Administration
E3 (1) End-to-End Encryption; (2) Emergency and Extraordinary Expenses
EAC (1) Emergency Action Console; (2) Echelons Above Corps
EACTPC Echelon-Above-Corps Theater Production Center
EACIC Echelon-Above-Corps Intelligence Center
EAD (1) Echelon Above Division; (2) Earliest Arrival Date; (3) Extended Air Defense
EADSIM Extended Air Defense Simulation
EAM (1) Emergency Action Message; (2) Event Analysis Matrix
EAMA African States Associated with the EEC
EAMAS Emergency Action Message Authentication System
EAP (1) Emergency Action Procedure; (2) Emergency Action Plan
EAS Emergency Action System
EASTLANT Eastern Atlantic Command (NATO)
EASTPAC Eastern Pacific
EATTG Enhanced Automated Tactical Target Graphics
EBS Emergency Broadcast System
EC (1) European Community; (2) Expenditure Center; (3) Electronic Combat
ECA (1) Enemy Capability Assessment; (2) Earth Central Angle; (3) Enemy Courses of Action
ECAC Electromagnetic Compatibility Analysis Center
ECB Echelons Corps and Below
ECC (1) Eurasian Communist Countries; (2) European Communist Countries; (3) European Community Commission
ECCM Electronic Counter-Countermeasures
ECDB EISS Consolidated Database
ECG Emergency Coordination Group
ECI External Communications Interface
ECM (1) Electronic Countermeasures; (2) European Common Market
ECMA European Computer Manufacturer’s Association
ECMC Enhanced Crisis Management Capability
ECMO European Collection Management Office
ECO Electronic Collection Outstations
ECOA Enemy Courses of Action
ECOWAS Economic Community of West African States
ECP (1) Emergency Communications Plan; (2) Entry Control Point
ECPL Endorsed Data Encryption Standard Products List
ECS (1) Electronic Combat Support; (2) European Communications Satellite
ECSC European Coal and Steel Community
ECSM (1) Special Assistant for Security Matters; (2) Enhanced Capability Stand-Off Munition
ECSO European Command Special Operations
ECU Environmental Control Unit (GSM)
ED (1) European Capability Datum; (2) EUCOM Directive
EDA Emergency Dissemination Authority(ies)
E-DAY Start Day of an Exercise
EDI European Defense Initiative
EDL Electric Discharge Laser
EDM Engineering Development Model
EDMS Electronic Dissemination Management System
EDN Emergency Data Network
EDP (1) Electronic Data Processing; (2) ELINT Data Processor
EDPSELINT Data Processing System
E-DRB Expanded Defense (Planning &) Resources Board
EDRE Emergency Deployment Readiness Exercises
E&E Escape and Evasion
EEA Essential Elements of Analysis
EEC (1) European Economic Community; (2) East European Countries; (3) Enhanced Explosives Charge
EECT End of Evening Civil Twilight
EEFI Essential Elements of Friendly Information
EEI Essential Elements of Information
EELS Early Entry Lethality and Survivability
EELV Evolved Expendable Launch Vehicle
EENT End Evening Nautical Twilight
EEO Equal Employment Opportunity
EEOB Enemy Electronic Order of Battle
EEOC Equal Employment Opportunity Commission
EES Emergency Evacuation Study
EFCS Electronic Filmless Camera System
EFD Electronic Fill Device
EFS (1) Electronic Filing System; (2) Proper Name of System
EFTA European Free Trade Association
EFTO Encrypted for Transmission Only
EFVS Electronic Fighting Vehicle System
EGA Enhanced Graphics Adapter
EGADS Electronic Generation, Accounting, and Distribution System
EGIS East German Intelligence Service
EHF Extremely High Frequency
EI Effectiveness Index
EIA Electronics Industry Association
EIB (1) European Investment Bank; (2) External Intelligence Bureau
EIC Economic Intelligence Committee
EIDB EISS Integrated Database
EIDS Electronic Information Delivery System
EIF (1) ECMC Interface Facility; (2) Enhanced Interface Facility
EIG Explosive Incendiary Grenade
EIP ELlNT Improvement Program
EIRP Effective Isotropic Radiated Power
EIS Enhanced Imagery System
EISI (1) Electrical Interface-SWPS/lDHS 2000; (2) Electrical IDHS-90/SWPS Interface
EISS EUCOM Intelligence Support System
EITO EUCOM Intelligence Training Office EKIP Enhanced Korean Information Package
EKMS Electronic Key Management System
ELDO (1) European Space Vehicle Launcher Development Organization; (2) European Launcher Development Organization
ELECTRO-OPINT Electro-Optical Intelligence Element
ELECTRO-OPTINT Electro-Optical Intelligence
ELEV Elevation
ELF Extremely Low Frequency
ELI Emitter Location & Identification
Elm Element
ELMT Element
ELINT Electronic Intelligence
ELISA Electronic Intelligence Search & Analysis
ELNET European Liaison Network
ELNOT ELINT Notation
ELOS Extended Line of Sight
ELS Emitter Location System
ELSEC Electronic Security
ELSET (1) Element Set; (2) Proper Name of System
ELT (1) Emergency Locator Transmitter; (2) Electronic Light Table
ELT 3000 Electronic Light Table for UNIX-based system
ELV Expendable Launch Vehicle
EM (1) Electromagnetic; (2) Enlisted Member; (3) Environmental Monitoring
E-Mail Electronic Mail
EMA European Monetary Agreement
EMAP Electromagnetic Analysis Program
EMATS Emergency Message Automatic Transmission System
EMC Electromagnetic Compatibility
EMCS ELINT Mission Control System
EMCON Emission Control
EMCP Electromagnetic Compatibility Program
EMD Engineering and Manufacturing Development
E&MD Engineering and Manufacturing Development
EMGTN Equivalent Megatonnage
EMHS EUCOM Message Handling System
EMI Electromagnetic Interference
EMIDS Experiment for Management Information Data Systems
EMINT Emissions Intelligence
E-MIPE Enhanced MIPE
EMIS Early Mission Identification System
EMIT Emergency Message Initiation Terminal
EMP Electromagnetic Pulse
EMR Electromagnetic Reconnaissance
EMSEC Emanations/Emissions Security
EMT (1) Emergency Management Team; (2) Equivalent Megatonnage
EMTR Eastern Missile Test Range
EMUT Enhanced Manpack UHF Terminal
En Enemy
ENDEX End Date of an Exercise
E-NET Ethernet
Engr Engineer
ENL Enlisted
ENMCC Expanded National Military Command Center
ENSCD Enemy Situation and Correlation Division
ENSCE Enemy Situation Correlation Element
ENSIT Enemy Situation
ENTNAC Entrance National Agency Check
EO (1) Electro-Optical; (2) Executive Order; (3) Escape Orbit; (4) End Office
EOA Early Operational Assessment
EOB (1) Electronic Order of Battle; (2) Executive Office Building; (3) Enemy Order of Battle
EOBS Electronic Order of Battle Server
EOC Emergency Operations Center
EOD (1) Explosive Ordnance Disposal; (2) Erasable Optical Disks
EOINT Electro-Optical Intelligence
EOP Emergency Operating Procedures
E-OPTINT Electro-Optical Intelligence
EORSAT ELINT Ocean Reconnaissance Satellite
EOS Earth Observation Satellite
EOSAT Earth Observation Satellite
EOSS Electro-Optic Sensor System
EOTDA Electro-Optical Tactical Decision Aids
EOW Electro-Optic Warfare
EP (1) ELINT Processor; (2) Electronic Protection
EP-3 U.S. Navy Reconnaissance Aircraft
EPA (1) Environmental Protection Agency; (2) Evasion Plan of Action
EPAC Eastern Pacific
EPAMS Exercise Planning and Message System
EPAT Earliest Possible Arrival Time
EPDS (1) Electronic Processing and Dissemination System; (2) ELINT Processing and Dissemination System
EPF Exploitation Products File
EPIC El Paso Intelligence Center
EPIRB Emergency Position-Indicating Radio Beacon
EPL (1) ELINT Parameters List; (2) Evaluated Products List
EPLRS Enhanced Position Location and Reporting System
EPMO European Production Management Office
EPR (1) Extended Planning Annex; (2) Enlisted Performance Report
EPROM Erasable Programmable Read-Only Memory
EPS (1) ELINT Processing System; (2) Electronic Publication System; (3) Exploitation Problem Set; (4) Encapsulated Postscript
EPW (1) Earth Penetrator Weapon; (2) Enemy Prisoner of War
EPWG Exploitation Plans Working Group
EPUU Enhanced PLRS User Units
EQV Equivalent
ER (1) Enhanced Radiation; (2) Electronic Reconnaissance; (3) Eastern Region; (4) EAGLE REACH
ERA (1) Extended Range Ammunition; (2) Equal Rights Amendment
ERADCOM Electronic Research and Development Command
ERAST Environmental Research Aircraft and Sensor Technology
ERBM Extended Range Ballistic Missile
ERCS Emergency Rocket Communications System
ERADCOM Electronic Research and Development Command
ERDAS Earth Resources Data Analysis System
ERF Early Reinforcing Force
ERIN Electronic Radio Intercept Network (USCS)
ERINT Extended Range Intercept Missile
ERIR Electronic Reconnaissance Intercept Report
ERIS Exo-atmospheric Reentry Vehicle Interception System
EROS Earth Resources Observational System
ERP Effective Radiated Power
ERPHO Earth Resources Photographic Satellite
ERRS Emergency Regional Reporting System
ERS (1) Emergency Relocation Site; (2) Earth Resources Satellite
ERSSO Emergency Reaction Special Security Officer
ERT Executive Reference Time
ERTM Electronic Intelligence Request Tasking Message
ERTS Earth Resources Technology Satellite
ERTZ Equipment Radiation TEMPEST Zone
ERW Enhanced Radiation Weapon
ES (1) Emplacement Site; (2) Exploitation Support; (3) Electronic Warfare Support; (4) Expert System;
(5) Electronic Support
ESA (1) European Space Agency; (2) Electronically Steered Antenna
ESAA European Special Activities Area (U.S. Air Force)
ESAC El Salvador Analysis Cell
ESAF European Special Activities Facility
ESAMS Enhanced Surface-to-Air Missile Simulation
ESAR Enhanced Synthetic Aperture Radar
ESC Electronic Security Command (U.S. Air Force)
ESD (1) Electronic Systems Division; (2) Ephemeris Support Data; (3) Exploitation Support Section (JSIPS)
ESF (1) Environmental Scale Factor; (2) Extended Superframe Formatted
ESG (1) Electronic Security Group; (2) Exploitation Steering Group
ESI Extremely Sensitive Information
ESIAC Electronic Satellite Image Analysis Center
ESJ Escort Jamming
ESM (1) Electronic Warfare Support Measures: (2) Electronic Support Measures; (3) Electronic Security Measures
ESMC Eastern Space and Missile Center
ESMT External Supply Management Tools
ESP Emergency Special Measures
ESR ELINT Summary Report
ESRO European Space Research Organization
ESS (1) Electronic Security Squadron; (2) ELINT Support System; (3) Exploitation Support Segment; (4) Exercise Support Subsystem; (5) Electronic Switching System; (6) Exploitation Support Section (JSIPS)
ESSA (1) Expert System for Situation Assessment; (2) Environmental Satellite Service Administration
ESSM Electronic Shop, Shelter-Mounted
Est Estimated
ESV Earth Satellite Vehicle
ESW Electronic Security Wing
ET (1) Enhanced Terminal; (2) Earth Terminal; (3) Embedded Training
ETA (1) Estimated Time of Arrival; (2) Equivalent Target Area
ETAC Enlisted Terminal Attack Controllers
ETAP Education Training Awareness Program
ETAWG ELINT Technical Analysis Working Group
ETC (1) Estimated Time of Completion; (2) Et Cetera
ETD (1) Estimated Time of Departure; (2) Effective Transfer Date
ETDS Elapsed Time Distribution System
ETF Enhanced Tactical Fighter
ETHICS European Theater High Capacity Intelligence Communications System
ETI Estimated Time of Impact
ETIBS Enhanced Tactical Information Broadcast Service
ETII External-to-Internal Interface
ETIWCS European Theater Intelligence Warning and Communications System
ETL (1) Endorsed Tools List; (2) Engineer Topographic Laboratories
ETO (1) European Theater of Operations; (2) Earth-To-Orbit
ETP (1) Extended Tether Program; (2) Enhanced Thermal Protection
ETPL Endorsed TEMPEST Products List
ETR (1) Estimated Time of Return; (2) Eastern Test Range
ETRAC Enhanced Tactical Radar Correlator
ETRO Estimated Time Return to Operation
ETS (1) European Telephone System; (2) Estimated Time of Separation; (3) Expiration of Term of Service; (4) Earth Technology Satellite; (5) Engineer Test Satellite
ETSC Electronic and Telecommunications Subcommittee
ETSS Electronic Telecommunications Switching System
ETTP EUCOM Tactics, Techniques and Procedures
ETUT Enhanced Tactical User Terminal
EU Expenditure Unit
EUCI Endorsed for Unclassified Cryptographic Information
EUCOM U.S. European Command
EUCOM/JIC (1) U.S. European Command/Joint Intelligence Command; (2) EUCOM Joint Intelligence Center
EUDAC European Defense Analysis Center
EUF ECME User Facility
EUL Economically Useful Life
EUMETSAT European Meteorological Satellite (Organization)
EURATOM European Atomic Energy Community
EUSA Eighth U.S. Army (Korea)
EUSC Effective United States Controlled
EUTE Early User Test & Evaluation
EUTELSAT European Telecommunications Satellite (Organization)
EUV Extreme Ultraviolet
EUVE Extreme Ultraviolet Explorer
EV Enforcement Vector
EVA Extra-Vehicular Activity
EVC DoD Evasion Chart
EVO Event Verification Officer
EVR Enemy Vulnerability Report
EVS Electronic Visual Communications
EW (1) Electronic Warfare; (2) Early Warning
EW/GCI Early Warning/Ground Control Intercept
EWAC Electronic Warfare Anechoic Chamber
EWAS Electronic Workorder Accounting System
EWC (1) Electronic Warfare Center; (2) Electronic Warfare Coordinator
EWCC Electronic Warfare Coordination Center
EWCM Electronic Warfare Coordination Module
EWCS Electronic Warfare Control System
EWIR Electronic Warfare Integrated Reprogramming
EWIRS Electronic Warfare Integrated Reprogramming System
EWMIS Electronic Warfare Management Information System
EWMS EW Mission Summary
EWO (1) Electronic Warfare Officer; (2) Emergency War Order
EWOPFAC Electronic Warfare Operating Facility
EWR (1) Early Warning Radar; (2) Electronic Warfare Reprogramming
EWRL Electronic Warfare Reprogrammable Library
EWS Electronic Warfare Support
EWSE EW Support Element
EWSM Electronic Warfare Support Measures
EWSO EW Staff Officer
EXCRIT Exercise Critique System
EXDEF Exercise Deficiency Program
EXCAP Exercise Capability (simulator)
EXCOM Community Executive Committee
ExDir/ICA Executive Director for Intelligence Community Affairs
EXDIS Exclusive Distribution (Pneumatic Tube Message Precedence)
EXEC Executive
EXERTAS Exercise Timeline Analysis System
EXFIL Exfiltration
EXO Exoatmosheric
EXOPLAN Exercise Operations Plan
EXPER Experience
EXPL Exploitation
EXPLAN Exercise Plan
ExPReS Expoitation Process Reengineering Study
EXRAND Exploitation Research and Development (COMIREX)
EXSCEN Exercise Scenario System
EXSUBCOM Exploitation Subcommittee (COMIREX)
EXSUM Executive Summary
EXTAC Experimental Tactics