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).
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 |