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U.S. Military Abbreviations & Acronyms:  E

The military and government are famous for using - or overusing - abbreviations and acronyms for designating equipment, programs, and agencies. These eight pages are chock full of nearly every commonly used abbreviations and acronyms used by the U.S. military (at least up through around the year 2000).

A  B  C  D  E  F  G  H  I  J  K  L  M  N
O  P  Q  R  S  T  U  V  W  X  Y  Z
 

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: (1) Electronic Collection Outstations ; (2) Engineering Change Order
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
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