| Acronym | Definition |
| E | total probable error |
| E | total probable error |
| E&DCP | evaluation and data collection plan |
| E&DCP | evaluation and data collection plan |
| E&E | emergency and extraordinary expense authority; evasion and escape |
| E&E | emergency and extraordinary expense authority; evasion and escape |
| E&EE | emergency and extraordinary expense |
| E&EE | emergency and extraordinary expense |
| E&I | engineering and installation |
| E&I | engineering and installation |
| E&M | ear and mouth; special signaling leads |
| E&M | ear and mouth; special signaling leads |
| E-8C | joint surveillance, target attack radar system (JSTARS) aircraft |
| E-8C | joint surveillance, target attack radar system (JSTARS) aircraft |
| E-ARTS | en route automated radar tracking system |
| E-ARTS | en route automated radar tracking system |
| E-mail | electronic mail |
| E-mail | electronic mail |
| E-O TDA | electro-optical tactical decision aid |
| E-O TDA | electro-optical tactical decision aid |
| E-UAV | endurance unmanned aerial vehicle |
| E-UAV | endurance unmanned aerial vehicle |
| E1 | Echelon 1 |
| E1 | Echelon 1 |
| E2 | Echelon 2 |
| E2 | Echelon 2 |
| E3 | Echelon 3; electromagnetic environmental effects |
| E3 | Echelon 3; electromagnetic environmental effects |
| E4 | Echelon 4 |
| E4 | Echelon 4 |
| E5 | Echelon 5 |
| E5 | Echelon 5 |
| EA | electronic attack; emergency action; evaluation agent; executive agent; executive assistant |
| EA | electronic attack; emergency action; evaluation agent; executive agent; executive assistant |
| ea | each |
| EAC | echelons above corps (ARMY); emergency action; emergency action committee |
| EAC | echelons above corps (ARMY); emergency action; emergency action committee |
| EACS | expeditionary aeromedical evacuation crew member support |
| EACS | expeditionary aeromedical evacuation crew member support |
| EACT | expeditionary aeromedical evacuation coordination team |
| EACT | expeditionary aeromedical evacuation coordination team |
| EAD | earliest arrival date; echelons above division (Army); extended active duty |
| EAD | earliest arrival date; echelons above division (Army); extended active duty |
| EADRU | Euro-Atlantic disaster response unit |
| EADRU | Euro-Atlantic disaster response unit |
| EADS | Eastern Air Defense Sector |
| EADS | Eastern Air Defense Sector |
| EAES | expeditionary aeromedical evacuation squadron |
| EAES | expeditionary aeromedical evacuation squadron |
| EAF | expeditionary aerospace forces |
| EAF | expeditionary aerospace forces |
| EAI | executive agent instruction |
| EAI | executive agent instruction |
| EALT | earliest anticipated launch time |
| EALT | earliest anticipated launch time |
| EAM | emergency action message |
| EAM | emergency action message |
| EAP | emergency action plan; emergency action procedures |
| EAP | emergency action plan; emergency action procedures |
| EAP-CJCS | emergency action procedures of the Chairman of the Joint Chiefs of Staff |
| EAP-CJCS | emergency action procedures of the Chairman of the Joint Chiefs of Staff |
| EAPC | Euro-Atlantic Partnership Council |
| EAPC | Euro-Atlantic Partnership Council |
| earliest anticipated launch time | (DOD) The earliest time expected for a special operations tactical element and its supporting platform to depart the staging or marshalling area together en route to the operations area. Also called EALT. |
| earliest arrival date | (DOD) A day, relative to C-day, that is specified by a planner as the earliest date when a unit, a resupply shipment, or replacement personnel can be accepted at a port of debarkation during a deployment. Used with the latest arrival data, it defines a delivery window for transportation planning. Also called EAD. See also latest arrival date. |
| EARLY | evasion and recovery supplemental data report |
| EARLY | evasion and recovery supplemental data report |
| early warning | (DOD,NATO) Early notification of the launch or approach of unknown weapons or weapons carriers. Also called EW. See also attack assessment; tactical warning. |
| earmarking of stocks | (DOD,NATO) The arrangement whereby nations agree, normally in peacetime, to identify a proportion of selected items of their war reserve stocks to be called for by specified NATO commanders. |
| earthing | (DOD,NATO) The process of making a satisfactory electrical connection between the structure, including the metal skin, of an object or vehicle, and the mass of the Earth, to ensure a common potential with the Earth. See also bonding. |
| EASF | expeditionary aeromedical staging facility |
| EASF | expeditionary aeromedical staging facility |
| EAST | expeditionary aeromedical evacuation staging team |
| EAST | expeditionary aeromedical evacuation staging team |
| EASTPAC | eastern Pacific Ocean |
| EASTPAC | eastern Pacific Ocean |
| EBCDIC | extended binary coded decimal interchange code |
| EBCDIC | extended binary coded decimal interchange code |
| EBS | environmental baseline survey |
| EBS | environmental baseline survey |
| EC | electronic combat; enemy combatant; error control; European Community |
| EC | electronic combat; enemy combatant; error control; European Community |
| ECAC | Electromagnetic Compatibility Analysis Center |
| ECAC | Electromagnetic Compatibility Analysis Center |
| ECB | echelons corps and below (Army) |
| ECB | echelons corps and below (Army) |
| ECC | engineer coordination cell; evacuation control center |
| ECC | engineer coordination cell; evacuation control center |
| ECHA | Executive Committee for Humanitarian Affairs |
| ECHA | Executive Committee for Humanitarian Affairs |
| echelon | (DOD,NATO) 1. A subdivision of a headquarters, i.e., forward echelon, rear echelon. |
| echelon | (DOD,NATO) 3. A fraction of a command in the direction of depth to which a principal combat mission is assigned; i.e., attack echelon, support echelon, reserve echelon. |
| echelon | (DOD,NATO) 2. Separate level of command. As compared to a regiment, a division is a higher echelon, a battalion is a lower echelon. |
| echelon | (DOD,NATO) 4. A formation in which its subdivisions are placed one behind another, with a lateral and even spacing to the same side. |
| echeloned displacement | (DOD,NATO) Movement of a unit from one position to another without discontinuing performance of its primary function. (DOD only) Normally, the unit divides into two functional elements (base and advance); and, while the base continues to operate, the advance element displaces to a new site where, after it becomes operational, it is joined by the base element. |
| ECHO | European Community Humanitarian Aid Department |
| ECHO | European Community Humanitarian Aid Department |
| ECM | electronic countermeasures |
| ECM | electronic countermeasures |
| ECN | electronic change notice; Minimum Essential Emergency Communications Network |
| ECN | electronic change notice; Minimum Essential Emergency Communications Network |
| ECO | electronic combat officer |
| ECO | electronic combat officer |
| economic action | (DOD) The planned use of economic measures designed to influence the policies or actions of another state, e.g., to impair the war-making potential of a hostile power or to generate economic stability within a friendly power. |
| economic potential | (DOD,NATO) The total capacity of a nation to produce goods and services. |
| ECOSOC | Economic and Social Council (UN) |
| ECOSOC | Economic and Social Council (UN) |
| ECP | emergency command precedence; engineering change proposal; entry control point |
| ECP | emergency command precedence; engineering change proposal; entry control point |
| ECS | expeditionary combat support |
| ECS | expeditionary combat support |
| ECU | environmental control unit |
| ECU | environmental control unit |
| ED | envelope delay; evaluation directive |
| ED | envelope delay; evaluation directive |
| EDA | excess defense articles |
| EDA | excess defense articles |
| EDC | estimated date of completion |
| EDC | estimated date of completion |
| EDD | earliest delivery date |
| EDD | earliest delivery date |
| EDI | electronic data interchange |
| EDI | electronic data interchange |
| EDSS | equipment deployment and storage system |
| EDSS | equipment deployment and storage system |
| EE | emergency establishment |
| EE | emergency establishment |
| EEA | environmental executive agent |
| EEA | environmental executive agent |
| EEBD | emergency escape breathing device |
| EEBD | emergency escape breathing device |
| EECT | end evening civil twilight |
| EECT | end evening civil twilight |
| EED | electro-explosive device; emergency-essential designation |
| EED | electro-explosive device; emergency-essential designation |
| EEDAC | emergency essential Department of the Army civilian |
| EEDAC | emergency essential Department of the Army civilian |
| EEE | emergency and extraordinary expense |
| EEE | emergency and extraordinary expense |
| EEFI | essential elements of friendly information |
| EEFI | essential elements of friendly information |
| EEI | essential element of information |
| EEI | essential element of information |
| EELV | evolved expendable launch vehicle |
| EELV | evolved expendable launch vehicle |
| EEO | equal employment opportunity |
| EEO | equal employment opportunity |
| EEPROM | electronic erasable programmable read-only memory |
| EEPROM | electronic erasable programmable read-only memory |
| EER | enlisted employee review; extended echo ranging |
| EER | enlisted employee review; extended echo ranging |
| EEZ | exclusive economic zone |
| EEZ | exclusive economic zone |
| EFA | engineering field activity |
| EFA | engineering field activity |
| EFAC | emergency family assistance center |
| EFAC | emergency family assistance center |
| EFD | engineering field division |
| EFD | engineering field division |
| effect | (DOD) 1. The physical or behavioral state of a system that results from an action, a set of actions, or another effect. |
| effect | (DOD) 2. The result, outcome, or consequence of an action. |
| effect | (DOD) 3. A change to a condition, behavior, or degree of freedom. |
| effective damage | (DOD) That damage necessary to render a target element inoperative, unserviceable, nonproductive, or uninhabitable. |
| effective US controlled ships | (DOD) US-owned foreign flagships that can be tasked by the Maritime Administration to support Department of Defense requirements when necessary. Also called EUSCS. |
| EFST | essential fire support task |
| EFST | essential fire support task |
| EFT | electronic funds transfer |
| EFT | electronic funds transfer |
| EFTO | encrypt for transmission only |
| EFTO | encrypt for transmission only |
| EGM | Earth Gravity Model |
| EGM | Earth Gravity Model |
| EGS | Earth ground station |
| EGS | Earth ground station |
| EH | explosive hazard |
| EH | explosive hazard |
| EHCC | explosive hazards coordination cell |
| EHCC | explosive hazards coordination cell |
| EHF | extremely high frequency |
| EHF | extremely high frequency |
| EHO | environmental health officer |
| EHO | environmental health officer |
| EHRA | environmental health risk assessment |
| EHRA | environmental health risk assessment |
| EHSA | environmental health site assessment |
| EHSA | environmental health site assessment |
| EHT | explosive hazard team |
| EHT | explosive hazard team |
| EI | environmental information; exercise item |
| EI | environmental information; exercise item |
| EIA | Electronic Industries Association |
| EIA | Electronic Industries Association |
| EID | electrically initiated device |
| EID | electrically initiated device |
| EIS | Environmental Impact Statement |
| EIS | Environmental Impact Statement |
| ejection | (DOD,NATO) 1. Escape from an aircraft by means of an independently propelled seat or capsule. |
| ejection | (DOD,NATO) 2. In air armament, the process of forcefully separating an aircraft store from an aircraft to achieve satisfactory separation. |
| ejection systems | (DOD,NATO) a. command ejection system--A system in which the pilot of an aircraft or the occupant of the other ejection seat(s) initiates ejection resulting in the automatic ejection of all occupants. b. command select ejection system--A system permitting the optional transfer from one crew station to another of the control of a command ejection system for automatic ejection of all occupants. c. independent ejection system--An ejection system which operates independently of other ejection systems installed in one aircraft. d. sequenced ejection system--A system which ejects the aircraft crew in sequence to ensure a safe minimum total time of escape without collision. |
| ELBA | emergency locator beacon |
| ELBA | emergency locator beacon |
| ELCAS | elevated causeway system |
| ELCAS | elevated causeway system |
| ELCAS(M) | elevated causeway system (modular) |
| ELCAS(M) | elevated causeway system (modular) |
| ELCAS(NL) | elevated causeway system (Navy lighterage) |
| ELCAS(NL) | elevated causeway system (Navy lighterage) |
| ELD | emitter locating data |
| ELD | emitter locating data |
| electro-explosive device | (DOD) An explosive or pyrotechnic component that initiates an explosive, burning, electrical, or mechanical train and is activated by the application of electrical energy. Also called EED. |
| electro-optical intelligence | (DOD) Intelligence other than signals intelligence derived from the optical monitoring of the electromagnetic spectrum from ultraviolet (0.01 micrometers) through far infrared (1,000 micrometers). Also called ELECTRO-OPTINT. See also intelligence; laser intelligence. |
| electro-optical-infrared countermeasure | (DOD) Any device or technique employing electro-optical-infrared materials or technology that is intended to impair the effectiveness of enemy activity, particularly with respect to precision guided weapons and sensor systems. Electro-optical-infrared is the part of the electromagnetic spectrum between the high end of the far infrared and the low end of ultraviolet. Electro-optical-infrared countermeasure may use laser and broadband jammers, smokes/aerosols, signature suppressants, decoys, pyrotechnics/pyrophorics, high-energy lasers, or directed infrared energy countermeasures. Also called EO-IR CM. |
| electro-optics | (DOD) The technology associated with those components, devices and systems which are designed to interact between the electromagnetic (optical) and the electric (electronic) state. |
| ELECTRO-OPTINT | electro-optical intelligence |
| ELECTRO-OPTINT | electro-optical intelligence |
| electromagnetic compatibility | (DOD) The ability of systems, equipment, and devices that utilize the electromagnetic spectrum to operate in their intended operational environments without suffering unacceptable degradation or causing unintentional degradation because of electromagnetic radiation or response. It involves the application of sound electromagnetic spectrum management; system, equipment, and device design configuration that ensures interference-free operation; and clear concepts and doctrines that maximize operational effectiveness. Also called EMC. See also electromagnetic spectrum; electromagnetic spectrum management; electronic warfare. |
| electromagnetic deception | (DOD) The deliberate radiation, re-radiation, alteration, suppression, absorption, denial, enhancement, or reflection of electromagnetic energy in a manner intended to convey misleading information to an enemy or to enemy electromagnetic-dependent weapons, thereby degrading or neutralizing the enemy's combat capability. See also electronic warfare. |
| electromagnetic environment | (DOD) The resulting product of the power and time distribution, in various frequency ranges, of the radiated or conducted electromagnetic emission levels that may be encountered by a military force, system, or platform when performing its assigned mission in its intended operational environment. It is the sum of electromagnetic interference; electromagnetic pulse; hazards of electromagnetic radiation to personnel, ordnance, and volatile materials; and natural phenomena effects of lightning and precipitation static. Also called EME. |
| electromagnetic environmental effects | (DOD) The impact of the electromagnetic environment upon the operational capability of military forces, equipment, systems, and platforms. It encompasses all electromagnetic disciplines, including electromagnetic compatibility and electromagnetic interference; electromagnetic vulnerability; electromagnetic pulse; electronic protection, hazards of electromagnetic radiation to personnel, ordnance, and volatile materials; and natural phenomena effects of lightning and precipitation static. Also called E3. |
| electromagnetic hardening | (DOD) Action taken to protect personnel, facilities, and/or equipment by filtering, attenuating, grounding, bonding, and/or shielding against undesirable effects of electromagnetic energy. See also electronic warfare. |
| electromagnetic interference | (DOD) Any electromagnetic disturbance that interrupts, obstructs, or otherwise degrades or limits the effective performance of electronics and electrical equipment. It can be induced intentionally, as in some forms of electronic warfare, or unintentionally, as a result of spurious emissions and responses, intermodulation products, and the like. Also called EMI. |
| electromagnetic intrusion | (DOD) The intentional insertion of electromagnetic energy into transmission paths in any manner, with the objective of deceiving operators or of causing confusion. See also electronic warfare. |
| electromagnetic jamming | (DOD) The deliberate radiation, reradiation, or reflection of electromagnetic energy for the purpose of preventing or reducing an enemy's effective use of the electromagnetic spectrum, and with the intent of degrading or neutralizing the enemy's combat capability. See also electromagnetic spectrum; electromagnetic spectrum management; electronic warfare. |
| electromagnetic pulse | (DOD) The electromagnetic radiation from a strong electronic pulse, most commonly caused by a nuclear explosion that may couple with electrical or electronic systems to produce damaging current and voltage surges. Also called EMP. See also electromagnetic radiation. |
| electromagnetic radiation | (DOD) Radiation made up of oscillating electric and magnetic fields and propagated with the speed of light. Includes gamma radiation, X-rays, ultraviolet, visible, and infrared radiation, and radar and radio waves. |
| electromagnetic radiation hazards | (DOD) Hazards caused by transmitter or antenna installation that generates electromagnetic radiation in the vicinity of ordnance, personnel, or fueling operations in excess of established safe levels or increases the existing levels to a hazardous level; or a personnel, fueling, or ordnance installation located in an area that is illuminated by electromagnetic radiation at a level that is hazardous to the planned operations or occupancy. Also called EMR hazards or RADHAZ. |
| electromagnetic spectrum | (DOD) The range of frequencies of electromagnetic radiation from zero to infinity. It is divided into 26 alphabetically designated bands. See also electronic warfare. |
| electromagnetic spectrum management | (DOD) Planning, coordinating, and managing joint use of the electromagnetic spectrum through operational, engineering, and administrative procedures. The objective of spectrum management is to enable electronic systems to perform their functions in the intended environment without causing or suffering unacceptable interference. See also electromagnetic spectrum. |
| electromagnetic vulnerability | (DOD) The characteristics of a system that cause it to suffer a definite degradation (incapability to perform the designated mission) as a result of having been subjected to a certain level of electromagnetic environmental effects. Also called EMV. |
| electronic attack | (DOD) Division of electronic warfare involving the use of electromagnetic energy, directed energy, or antiradiation weapons to attack personnel, facilities, or equipment with the intent of degrading, neutralizing, or destroying enemy combat capability and is considered a form of fires. Also called EA. See also electronic protection; electronic warfare; electronic warfare support. |
| electronic imagery dissemination | (DOD) The transmission of imagery or imagery products by any electronic means. This includes the following four categories. a. primary imagery dissemination system--The equipment and procedures used in the electronic transmission and receipt of un-exploited original or near-original quality imagery in near real time. b. primary imagery dissemination--The electronic transmission and receipt of unexploited original or near-original quality imagery in near real time through a primary imagery dissemination system. c. secondary imagery dissemination--The electronic transmission and receipt of exploited non-original quality imagery and imagery products in other than real or near real time through a secondary imagery dissemination system. |
| electronic intelligence | (DOD) Technical and geolocation intelligence derived from foreign noncommunications electromagnetic radiations emanating from other than nuclear detonations or radioactive sources. Also called ELINT. See also electronic warfare; foreign instrumentation signals intelligence; intelligence; signals intelligence. |
| electronic line of sight | (DOD) The path traversed by electromagnetic waves that is not subject to reflection or refraction by the atmosphere. |
| electronic masking | (DOD) The controlled radiation of electromagnetic energy on friendly frequencies in a manner to protect the emissions of friendly communications and electronic systems against enemy electronic warfare support measures/signals intelligence without significantly degrading the operation of friendly systems. |
| electronic probing | (DOD) Intentional radiation designed to be introduced into the devices or systems of potential enemies for the purpose of learning the functions and operational capabilities of the devices or systems. |
| electronic protection | (DOD) Division of electronic warfare involving actions taken to protect personnel, facilities, and equipment from any effects of friendly or enemy use of the electromagnetic spectrum that degrade, neutralize, or destroy friendly combat capability. Also called EP. See also electronic attack, electronic warfare; electronic warfare support. |
| electronic reconnaissance | (DOD) The detection, location, identification, and evaluation of foreign electromagnetic radiations. See also electromagnetic radiation; reconnaissance. |
| electronic warfare | (DOD) Military action involving the use of electromagnetic and directed energy to control the electromagnetic spectrum or to attack the enemy. Electronic warfare consists of three divisions: electronic attack, electronic protection, and electronic warfare support. Also called EW. See also directed energy; electromagnetic spectrum; electronic attack; electronic protection; electronic warfare support. |
| electronic warfare frequency deconfliction | (DOD) Actions taken to integrate those frequencies used by electronic warfare systems into the overall frequency deconfliction process. See also electronic warfare. |
| electronic warfare reprogramming | (DOD) The deliberate alteration or modification of electronic warfare or target sensing systems, or the tactics and procedures that employ them, in response to validated changes in equipment, tactics, or the electromagnetic environment. These changes may be the result of deliberate actions on the part of friendly, adversary or third parties; or may be brought about by electromagnetic interference or other inadvertent phenomena. The purpose of electronic warfare reprogramming is to maintain or enhance the effectiveness of electronic warfare and target sensing system equipment. Electronic warfare reprogramming includes changes to self defense systems, offensive weapons systems, and intelligence collection systems. See also electronic warfare. |
| electronic warfare support | (DOD) Division of electronic warfare involving actions tasked by, or under direct control of, an operational commander to search for, intercept, identify, and locate or localize sources of intentional and unintentional radiated electromagnetic energy for the purpose of immediate threat recognition, targeting, planning and conduct of future operations. Also called ES. See also electronic attack; electronic protection; electronic warfare. |
| electronics security | (DOD) The protection resulting from all measures designed to deny unauthorized persons information of value that might be derived from their interception and study of noncommunications electromagnetic radiations, e.g., radar. |
| element | (DOD) An organization formed around a specific function within a designated directorate of a joint force commander's headquarters. The subordinate components of an element usually are functional cells. |
| elevated causeway system | (DOD) An elevated causeway pier that provides a means of delivering containers, certain vehicles, and bulk cargo ashore without the lighterage contending with the surf zone. See also causeway. |
| elevation | (DOD,NATO) The vertical distance of a point or level on or affixed to the surface of the Earth measured from mean sea level. See also altitude. |
| elevation tint | (DOD,NATO) See hypsometric tinting. |
| elicitation (intelligence) | (DOD) Acquisition of information from a person or group in a manner that does not disclose the intent of the interview or conversation. A technique of human source intelligence collection, generally overt, unless the collector is other than he or she purports to be. |
| eligible traffic | (DOD) Traffic for which movement requirements are submitted and space is assigned or allocated. Such traffic must meet eligibility requirements specified in Joint Travel Regulations for the Uniformed Services and publications of the Department of Defense and Military Departments governing eligibility for land, sea, and air transportation, and be in accordance with the guidance of the Joint Chiefs of Staff. |
| ELINT | electronic intelligence |
| ELINT | electronic intelligence |
| ELIST | enhanced logistics intratheater support tool |
| ELIST | enhanced logistics intratheater support tool |
| ELOS | extended line of sight |
| ELOS | extended line of sight |
| ELPP | equal level patch panel |
| ELPP | equal level patch panel |
| ELR | extra-long-range aircraft |
| ELR | extra-long-range aircraft |
| ELSEC | electronics security |
| ELSEC | electronics security |
| ELT | emergency locator transmitter |
| ELT | emergency locator transmitter |
| ELV | expendable launch vehicle |
| ELV | expendable launch vehicle |
| ELVA | emergency low-visibility approach |
| ELVA | emergency low-visibility approach |
| EM | electromagnetic; executive manager |
| EM | electromagnetic; executive manager |
| EMAC | emergency management assistance compact |
| EMAC | emergency management assistance compact |
| EMALL | electronic mall |
| EMALL | electronic mall |
| embarkation | (DOD) The process of putting personnel and/or vehicles and their associated stores and equipment into ships and/or aircraft. See also loading. |
| embarkation and tonnage table | (DOD) A consolidated table showing personnel and cargo, by troop or naval units, loaded aboard a combat-loaded ship. |
| embarkation area | (DOD,NATO) An area ashore, including a group of embarkation points, in which final preparations for embarkation are completed and through which assigned personnel and loads for craft and ships are called forward to embark. See also mounting area. |
| embarkation officer | (DOD) An officer on the staff of units of the landing force who advises the commander thereof on matters pertaining to embarkation planning and loading ships. See also combat cargo officer. |
| embarkation order | (DOD,NATO) An order specifying dates, times, routes, loading diagrams, and methods of movement to shipside or aircraft for troops and their equipment. See also movement table. |
| embarkation organization | (DOD) A temporary administrative formation of personnel with supplies and equipment embarking or to be embarked (combat loaded) aboard amphibious shipping. See also embarkation element (unit) (group); embarkation team. |
| embarkation phase | (DOD) In amphibious operations, the phase that encompasses the orderly assembly of personnel and materiel and their subsequent loading aboard ships and/or aircraft in a sequence designed to meet the requirements of the landing force concept of operations ashore. |
| embarkation plans | (DOD) The plans prepared by the landing force and appropriate subordinate commanders containing instructions and information concerning the organization for embarkation, assignment to shipping, supplies and equipment to be embarked, location and assignment of embarkation areas, control and communication arrangements, movement schedules and embarkation sequence, and additional pertinent instructions relating to the embarkation of the landing force. |
| embarkation team | (DOD) A temporary administrative formation of all personnel with supplies and equipment embarking or to be embarked (combat loaded) aboard one ship. See also embarkation element (unit) (group); embarkation organization. |
| EMC | electromagnetic compatibility |
| EMC | electromagnetic compatibility |
| EMCON | emission control |
| EMCON | emission control |
| EMCON orders | emission control orders |
| EMCON orders | emission control orders |
| EMD | effective miss distance |
| EMD | effective miss distance |
| EME | electromagnetic environment |
| EME | electromagnetic environment |
| EMEDS | Expeditionary Medical Support |
| EMEDS | Expeditionary Medical Support |
| emergency action committee | (DOD) An organization established at a foreign service post by the chief of mission or principal officer for the purpose of directing and coordinating the post's response to contingencies. It consists of consular representatives and members of other local US Government agencies in a foreign country who assist in the implementation of a Department of State emergency action plan. Also called EAC. |
| emergency anchorage | (DOD,NATO) An anchorage, which may have a limited defense organization, for naval vessels, mobile support units, auxiliaries, or merchant ships. See also assembly anchorage; holding anchorage; working anchorage. |
| emergency barrier | (DOD,NATO) See aircraft arresting barrier. |
| emergency interment | (DOD) An interment, usually on the battlefield, when conditions do not permit either evacuation for interment in an interment site or interment according to national or international legal regulations. See also mortuary affairs; temporary interment. |
| emergency locator beacon | (DOD) A generic term for all radio beacons used for emergency locating purposes. See also crash locator beacon; personal locator beacon. |
| emergency operations center | (DOD) The physical location at which the coordination of information and resources to support domestic incident management activities normally takes place. An emergency operations center may be a temporary facility or may be located in a more central or permanently established facility, perhaps at a higher level of organization within a jurisdiction. Emergency operations centers may be organized by major functional disciplines (e.g., fire, law enforcement, and medical services), by jurisdiction (e.g., Federal, state, regional, county, city, tribal), or by some combination thereof. Also called EOC. |
| emergency preparedness | (DOD) Measures taken in advance of an emergency to reduce the loss of life and property and to protect a nation's institutions from all types of hazards through a comprehensive emergency management program of preparedness, mitigation, response, and recovery. Also called EP. |
| emergency preparedness liaison officer | (DOD) A senior reserve officer who represents their Service at the appropriate joint field office conducting planning and coordination responsibilities in support of civil authorities. Also called EPLO. |
| emergency repair | (DOD) The least amount of immediate repair to damaged facilities necessary for the facilities to support the mission. These repairs will be made using expedient materials and methods (such as AM-2 aluminum matting, cold-mix asphalt, plywood scabs, temporary utility lines, and emergency generators). Modular or kit-type facility substitutes would be appropriate if repairs cannot be made in time to meet mission requirements. See also facility substitutes. |
| emergency resupply | (DOD) A resupply mission that occurs based on a predetermined set of circumstances and time interval should radio contact not be established or, once established, is lost between a special operations tactical element and its base. See also automatic resupply; on-call resupply. |
| emergency substitute | (DOD,NATO) A product which may be used, in an emergency only, in place of another product, but only on the advice of technically qualified personnel of the nation using the product, who will specify the limitations. |
| emergency support functions | (DOD) A grouping of government and certain private-sector capabilities into an organizational structure to provide the support, resources, program implementation, and services that are most likely to be needed to save lives, protect property and the environment, restore essential services and critical infrastructure, and help victims and communities return to normal, when feasible, following domestic incidents. Also called ESFs. |
| emergency-essential employee | (DOD) A Department of Defense civilian employee whose assigned duties and responsibilities must be accomplished following the evacuation of non-essential personnel (including dependents) during a declared emergency or outbreak of war. The position occupied cannot be converted to a military billet because it requires uninterrupted performance so as to provide immediate and continuing support for combat operations and/or combat systems support functions. See also evacuation. |
| EMF | expeditionary medical facility |
| EMF | expeditionary medical facility |
| EMI | electromagnetic interface; electromagnetic interference |
| EMI | electromagnetic interface; electromagnetic interference |
| EMIO | expanded maritime interception operations |
| EMIO | expanded maritime interception operations |
| emission control | (DOD) The selective and controlled use of electromagnetic, acoustic, or other emitters to optimize command and control capabilities while minimizing, for operations security: a. detection by enemy sensors; b. mutual interference among friendly systems; and/or c. enemy interference with the ability to execute a military deception plan. Also called EMCON. See also electronic warfare. |
| emission control orders | (DOD) Orders used to authorize, control, or prohibit the use of electronic emission equipment. Also called EMCON orders. See also control of electromagnetic radiation. |
| emission security | (DOD) The component of communications security that results from all measures taken to deny unauthorized persons information of value that might be derived from intercept and analysis of compromising emanations from crypto-equipment and telecommunications systems. See also communications security. |
| EMP | electromagnetic pulse |
| EMP | electromagnetic pulse |
| emplacement | (DOD,NATO) 1. A prepared position for one or more weapons or pieces of equipment, for protection against hostile fire or bombardment, and from which they can execute their tasks. |
| emplacement | (DOD,NATO) 2. The act of fixing a gun in a prepared position from which it may be fired. |
| employment | (DOD) The strategic, operational, or tactical use of forces. |
| EMR hazards | electromagnetic radiation hazards |
| EMR hazards | electromagnetic radiation hazards |
| EMS | electromagnetic spectrum; emergency medical services |
| EMS | electromagnetic spectrum; emergency medical services |
| EMSEC | emanations security |
| EMSEC | emanations security |
| EMT | emergency medical technician; emergency medical treatment |
| EMT | emergency medical technician; emergency medical treatment |
| EMTF | expeditionary mobility task force |
| EMTF | expeditionary mobility task force |
| EMV | electromagnetic vulnerability |
| EMV | electromagnetic vulnerability |
| en route care | (DOD) Continuation of the provision of care during movement (evacuation) between the health service support capabilities in the continuum of care, without clinically compromising the patient's condition. See also evacuation; patient. |
| enabling force | (DOD) Early deploying forces that establish critical capabilities to facilitate deployment and initial employment (including sustainment) of a force. See also deployment; employment; force. |
| enabling mine countermeasures | (DOD) Countermeasures designed to counter mines once they have been laid. This includes both passive and active mine countermeasures. See also mine countermeasures. |
| ENCOM | engineer command (Army) |
| ENCOM | engineer command (Army) |
| end evening civil twilight | (DOD) The time period when the sun has dropped 6 degrees beneath the western horizon; it is the instant at which there is no longer sufficient light to see objects with the unaided eye. Light intensification devices are recommended from this time until begin morning civil twilight. Also called EECT. |
| end item | (DOD) A final combination of end products, component parts, and/or materials that is ready for its intended use, e.g., ship, tank, mobile machine shop, or aircraft. |
| end of evening nautical twilight | (DOD) Occurs when the sun has dropped 12 degrees below the western horizon, and is the instant of last available daylight for the visual control of limited ground operations. At end of evening nautical twilight there is no further sunlight available. |
| end of mission | (DOD) In artillery, mortar, and naval gunfire support, an order given to terminate firing on a specific target. See also cease loading. |
| end state | (DOD) The set of required conditions that defines achievement of the commander's objectives. |
| end-to-end | (DOD) Joint distribution operations boundaries begin at the point of origin and terminate at the combatant commander’s designated point of need within a desired operational area, including the return of forces and materiel. |
| ENDEX | exercise termination |
| ENDEX | exercise termination |
| endurance | (DOD,NATO) The time an aircraft can continue flying, or a ground vehicle or ship can continue operating, under specified conditions, e.g., without refueling. See also endurance distance. |
| endurance distance | (DOD,NATO) Total distance that a ground vehicle or ship can be self-propelled at any specified endurance speed. |
| enemy capabilities | (DOD) Those courses of action of which the enemy is physically capable and that, if adopted, will affect accomplishment of the friendly mission. The term "capabilities" includes not only the general courses of action open to the enemy, such as attack, defense, reinforcement, or withdrawal, but also all the particular courses of action possible under each general course of action. "Enemy capabilities" are considered in the light of all known factors affecting military operations, including time, space, weather, terrain, and the strength and disposition of enemy forces. In strategic thinking, the capabilities of a nation represent the courses of action within the power of the nation for accomplishing its national objectives throughout the range of military operations. See also capability; course of action; mission. |
| enemy combatant | (DOD) In general, a person engaged in hostilities against the United States or its coalition partners during an armed conflict. Also called EC. |
| engage | (DOD only) 2. To bring the enemy under fire. |
| engage | (DOD,NATO) 1. In air defense, a fire control order used to direct or authorize units and/or weapon systems to fire on a designated target. See also cease engagement; hold fire. |
| engagement | (DOD) 1. In air defense, an attack with guns or air-to-air missiles by an interceptor aircraft, or the launch of an air defense missile by air defense artillery and the missile's subsequent travel to intercept. |
| engagement | (DOD) 2. A tactical conflict, usually between opposing lower echelons maneuver forces. See also battle; campaign. |
| engineer support plan | (DOD) An appendix to the logistics annex or separate annex of an operation plan that identifies the minimum essential engineering services and construction requirements required to support the commitment of military forces. Also called ESP. See also operation plan. |
| ENL | enlisted |
| ENL | enlisted |
| ENSCE | enemy situation correlation element |
| ENSCE | enemy situation correlation element |
| envelopment | (DOD,NATO) An offensive maneuver in which the main attacking force passes around or over the enemy's principal defensive positions to secure objectives to the enemy's rear. See also turning movement. |
| environmental baseline survey | (DOD) A multi-disciplinary site survey conducted prior to or in the initial stage of a joint operational deployment. The survey documents existing deployment area environmental conditions, determines the potential for present and past site contamination (e.g., hazardous substances, petroleum products, and derivatives), and identified potential vulnerabilities (to include occupational and environmental health risks). Surveys accomplished in conjunction with joint operational deployments that do not involve training or exercises (e.g., contingency operations) should be completed to the extent practicable consistent with operational requirements. This survey is performed in conjunction with the environmental health site assessment whenever possible. Also called EBS. See also general engineering. |
| environmental cleanup | (DOD) The process of removing solid, liquid, and hazardous wastes, except for unexploded ordnance, resulting from the joint operation of US forces to a condition that approaches the one existing prior to operation as determined by the environmental baseline survey, if one was conducted. The extent of this process will depend upon the operational situation at the time that cleanup is accomplished. |
| environmental considerations | (DOD) The spectrum of environmental media, resources, or programs that may impact on, or are affected by, the planning and execution of military operations. Factors may include, but are not limited to, environmental compliance, pollution prevention, conservation, protection of historical and cultural sites, and protection of flora and fauna. |
| environmental stewardship | (DOD) The integration and application of environmental values into the military mission in order to sustain readiness, improve quality of life, strengthen civil relations, and preserve valuable natural resources. |
| ENWGS | Enhanced Naval Warfare Gaming System |
| ENWGS | Enhanced Naval Warfare Gaming System |
| EO | electro-optical; end office; equal opportunity; executive order; eyes only |
| EO | electro-optical; end office; equal opportunity; executive order; eyes only |
| EO-IR | electro-optical-infrared |
| EO-IR | electro-optical-infrared |
| EO-IR CM | (DOD) electro-optical-infrared countermeasure |
| EO-IR CM | (DOD) electro-optical-infrared countermeasure |
| EOB | electronic order of battle; enemy order of battle |
| EOB | electronic order of battle; enemy order of battle |
| EOC | early operational capability; emergency operating center; emergency operations center |
| EOC | early operational capability; emergency operating center; emergency operations center |
| EOI | electro-optic(al) imagery |
| EOI | electro-optic(al) imagery |
| EOL | end of link |
| EOL | end of link |
| EOM | end of message |
| EOM | end of message |
| EOP | emergency operating procedures |
| EOP | emergency operating procedures |
| EOW | engineering orderwire |
| EOW | engineering orderwire |
| EP | electronic protection; emergency preparedness; emergency procedures; execution planning |
| EP | electronic protection; emergency preparedness; emergency procedures; execution planning |
| EPA | Environmental Protection Agency; evasion plan of action |
| EPA | Environmental Protection Agency; evasion plan of action |
| EPBX | electronic private branch exchange |
| EPBX | electronic private branch exchange |
| EPC | Emergency Procurement Committee |
| EPC | Emergency Procurement Committee |
| EPF | enhanced palletized load system (PLS) flatrack |
| EPF | enhanced palletized load system (PLS) flatrack |
| EPH | emergency planning handbook |
| EPH | emergency planning handbook |
| EPIC | El Paso Intelligence Center |
| EPIC | El Paso Intelligence Center |
| EPIRB | emergency position-indicating radio beacon |
| EPIRB | emergency position-indicating radio beacon |
| EPLO | emergency preparedness liaison officer |
| EPLO | emergency preparedness liaison officer |
| EPROM | erasable programmable read-only memory |
| EPROM | erasable programmable read-only memory |
| EPW | enemy prisoner of war |
| EPW | enemy prisoner of war |
| EPW/CI | enemy prisoner of war/civilian internee |
| EPW/CI | enemy prisoner of war/civilian internee |
| equipment | (DOD) In logistics, all nonexpendable items needed to outfit or equip an individual or organization. See also assembly; component; subassembly; supplies. |
| ERC | exercise related construction |
| ERC | exercise related construction |
| ERDC | Engineer Research and Development Center |
| ERDC | Engineer Research and Development Center |
| ERGM | extended range guided munitions |
| ERGM | extended range guided munitions |
| ERO | engine running on or offload |
| ERO | engine running on or offload |
| ERRO | Emergency Response and Recovery Office |
| ERRO | Emergency Response and Recovery Office |
| ERSD | estimated return to service date |
| ERSD | estimated return to service date |
| ERT | emergency response team (FEMA); engineer reconnaissance team |
| ERT | emergency response team (FEMA); engineer reconnaissance team |
| ERT-A | emergency response team - advance element |
| ERT-A | emergency response team - advance element |
| ERU | emergency response unit |
| ERU | emergency response unit |
| ES | electronic warfare support |
| ES | electronic warfare support |
| ESB | engineer support battalion |
| ESB | engineer support battalion |
| ESC | Electronics Systems Center; expeditionary sustainment command |
| ESC | Electronics Systems Center; expeditionary sustainment command |
| escalation | (DOD) A deliberate or unpremeditated increase in scope or violence of a conflict. |
| escape line | (DOD) A planned route to allow personnel engaged in clandestine activity to depart from a site or area when possibility of compromise or apprehension exists. |
| escapee | (DOD) Any person who has been physically captured by the enemy and succeeds in getting free. See also evasion and escape. |
| escort | A member of the Armed Forces assigned to accompany, assist, or guide an individual or group, e.g., an escort officer. |
| escort | (DOD,NATO) 2. Aircraft assigned to protect other aircraft during a mission. |
| escort | (DOD,NATO) 3. An armed guard that accompanies a convoy, a train, prisoners, etc. |
| escort | (DOD,NATO) 4. An armed guard accompanying persons as a mark of honor. |
| escort | (DOD,NATO) 1. A combatant unit(s) assigned to accompany and protect another force or convoy. |
| escort forces | (DOD) Combat forces of various types provided to protect other forces against enemy attack. |
| ESF | Economic Support Fund; emergency support function |
| ESF | Economic Support Fund; emergency support function |
| ESG | executive steering group; expeditionary strike group |
| ESG | executive steering group; expeditionary strike group |
| ESGN | electrically suspended gyro navigation |
| ESGN | electrically suspended gyro navigation |
| ESI | extremely sensitive information |
| ESI | extremely sensitive information |
| ESK | electronic staff weather officer kit |
| ESK | electronic staff weather officer kit |
| ESM | expeditionary site mapping |
| ESM | expeditionary site mapping |
| ESO | embarkation staff officer; environmental science officer |
| ESO | embarkation staff officer; environmental science officer |
| ESOC | Emergency Supply Operations Center |
| ESOC | Emergency Supply Operations Center |
| ESORTS | Enhanced Status of Resources and Training System |
| ESORTS | Enhanced Status of Resources and Training System |
| ESP | engineer support plan |
| ESP | engineer support plan |
| espionage | (DOD) The act of obtaining, delivering, transmitting, communicating, or receiving information about the national defense with an intent, or reason to believe, that the information may be used to the injury of the United States or to the advantage of any foreign nation. Espionage is a violation of 18 United States Code 792-798 and Article 106, Uniform Code of Military Justice. See also counterintelligence. |
| espionage against the United States | (DOD) Overt, covert, or clandestine activity designed to obtain information relating to the national defense with intent or reason to believe that it will be used to the injury of the United States or to the advantage of a foreign nation. For espionage crimes see Chapter 37 of Title 18, United States Code. |
| ESR | external supported recovery |
| ESR | external supported recovery |
| essential care | (DOD) Medical treatment provided to manage the casualty throughout the range of care. This includes all care and treatment to either return the patient to duty (within the theater evacuation policy), or begin initial treatment required for optimization of outcome, and/or stabilization to ensure the patient can tolerate evacuation. See also en route care; first responder phase; forward resuscitative surgery; patient; theater. |
| essential chemicals | (DOD) In counterdrug operations, compounds that are required in the synthetic or extraction processes of drug production, but in most cases do not become part of the drug molecule. Essential chemicals are used in the production of cocaine or heroin. |
| essential elements of friendly information | (DOD) Key questions likely to be asked by adversary officials and intelligence systems about specific friendly intentions, capabilities, and activities, so they can obtain answers critical to their operational effectiveness. Also called EEFI. |
| essential elements of information | (DOD) The most critical information requirements regarding the adversary and the environment needed by the commander by a particular time to relate with other available information and intelligence in order to assist in reaching a logical decision. Also called EEIs. |
| essential secrecy | (DOD) The condition achieved from the denial of critical information to adversaries. |
| essential task | (DOD) In the context of joint operation planning, a specified or implied task that an organization must perform to accomplish the mission. An essential task is typically included in the mission statement. See also implied task; specified task. |
| EST | embarked security team; emergency service team; emergency support team (FEMA); en route support team |
| EST | embarked security team; emergency service team; emergency support team (FEMA); en route support team |
| establishing directive | (DOD) An order issued to specify the purpose of the support relationship. |
| establishment | (DOD,NATO) An installation, together with its personnel and equipment, organized as an operating entity. See also activity; base; equipment. |
| estimate | (DOD) 3. An analysis of an actual or contemplated clandestine operation in relation to the situation in which it is or would be conducted in order to identify and appraise such factors as available as well as needed assets and potential obstacles, accomplishments, and consequences. See also intelligence estimate. |
| estimate | (DOD) 1. An analysis of a foreign situation, development, or trend that identifies its major elements, interprets the significance, and appraises the future possibilities and the prospective results of the various actions that might be taken. |
| estimate | (DOD) 2. An appraisal of the capabilities, vulnerabilities, and potential courses of action of a foreign nation or combination of nations in consequence of a specific national plan, policy, decision, or contemplated course of action. |
| estimative intelligence | (DOD) Intelligence that identifies, describes, and forecasts adversary capabilities and the implications for planning and executing military operations. |
| ETA | estimated time of arrival |
| ETA | estimated time of arrival |
| ETAC | emergency tactical air control |
| ETAC | emergency tactical air control |
| ETD | estimated time of departure |
| ETD | estimated time of departure |
| ETF | electronic target folder |
| ETF | electronic target folder |
| ETI | estimated time of intercept |
| ETI | estimated time of intercept |
| ETIC | estimated time for completion; estimated time in commission |
| ETIC | estimated time for completion; estimated time in commission |
| ETM | electronic transmission |
| ETM | electronic transmission |
| ETPL | endorsed TEMPEST products list |
| ETPL | endorsed TEMPEST products list |
| ETR | export traffic release |
| ETR | export traffic release |
| ETS | European telephone system |
| ETS | European telephone system |
| ETSS | extended training service specialist |
| ETSS | extended training service specialist |
| ETX | end of text |
| ETX | end of text |
| EU | European Union |
| EU | European Union |
| EUB | essential user bypass |
| EUB | essential user bypass |
| EURV | essential user rekeying variable |
| EURV | essential user rekeying variable |
| EUSA | Eighth US Army |
| EUSA | Eighth US Army |
| EUSC | effective United States control/controlled |
| EUSC | effective United States control/controlled |
| EUSCS | effective United States-controlled ships |
| EUSCS | effective United States-controlled ships |
| evacuation | (DOD) 3. The controlled process of collecting, classifying, and shipping unserviceable or abandoned materiel, US or foreign, to appropriate reclamation, maintenance, technical intelligence, or disposal facilities. |
| evacuation | (DOD) 2. The clearance of personnel, animals, or materiel from a given locality. |
| evacuation | (DOD) 1. Removal of a patient by any of a variety of transport means (air, ground, rail, or sea) from a theater of military operation, or between health service support capabilities, for the purpose of preventing further illness or injury, providing additional care, or providing disposition of patients from the military health care system. |
| evacuation | (DOD) 4. The ordered or authorized departure of noncombatants from a specific area by Department of State, Department of Defense, or appropriate military commander. This refers to the movement from one area to another in the same or different countries. The evacuation is caused by unusual or emergency circumstances and applies equally to command or non-command sponsored family members. See also evacuee; noncombatant evacuation operations. |
| evacuation convoy | (DOD,NATO) A convoy which is used for evacuation of dangerously exposed waters. See also evacuation of dangerously exposed waters. |
| evacuation of dangerously exposed waters | (DOD,NATO) The movement of merchant ships under naval control from severely threatened coastlines and dangerously exposed waters to safer localities. See also dangerously exposed waters. |
| evacuation of port equipment | (DOD,NATO) The transfer of mobile/movable equipment from a threatened port to another port or to a working anchorage. |
| evacuee | (DOD) A civilian removed from a place of residence by military direction for reasons of personal security or the requirements of the military situation. See also displaced person; expellee; refugee. |
| evader | (DOD) Any person isolated in hostile or unfriendly territory who eludes capture. |
| evaluation agent | (DOD) That command or agency designated in the evaluation directive to be responsible for the planning, coordination, and conduct of the required evaluation of a joint test publication. The evaluation agent, normally the US Joint Forces Command, identifies evaluation criteria and the media to be used, develops a proposed evaluation directive, coordinates exercise-related evaluation requirements with the sponsoring commands, and provides required evaluation reports to the Director, J-7. Also called EA. See also joint doctrine; joint test publication. |
| evaluation and feedback | (DOD) In intelligence usage, continuous assessment of intelligence operations throughout the intelligence process to ensure that the commander's intelligence requirements are being met. See intelligence process. |
| evasion | (DOD) The process whereby isolated personnel avoid capture with the goal of successfully returning to areas under friendly control. |
| evasion aid | (DOD) In personnel recovery, any piece of information or equipment designed to assist an individual in avoiding capture. Evasion aids include, but are not limited to, blood chits, pointee-talkees, evasion charts, barter items, and equipment designed to complement issued survival equipment. See also blood chit; evasion; evasion chart; pointee-talkee; recovery; recovery operations. |
| evasion and escape | (DOD,NATO) The procedures and operations whereby military personnel and other selected individuals are enabled to emerge from an enemy-held or hostile area to areas under friendly control. Also called E&E. |
| evasion chart | (DOD) A special map or chart designed as an evasion aid. Also called EVC. See also evasion; evasion aid. |
| evasion plan of action | (DOD) A course of action, developed prior to executing a combat mission, that is intended to improve a potential isolated person's chances of successful evasion and recovery by providing the recovery forces with an additional source of information that can increase the predictability of the evader's action and movement. Also called EPA. See also course of action; evader; evasion; recovery force. |
| EVC | evasion chart |
| EVC | evasion chart |
| EVE | equal value exchange |
| EVE | equal value exchange |
| event matrix | (DOD) A description of the indicators and activity expected to occur in each named area of interest. It normally cross-references each named area of interest and indicator with the times they are expected to occur and the courses of action they will confirm or deny. There is no prescribed format. See also activity; area of interest; indicator. |
| event template | (DOD) A guide for collection planning. The event template depicts the named areas of interest where activity, or its lack of activity, will indicate which course of action the adversary has adopted. See also activity; area of interest; collection planning; course of action. |
| EW | early warning; electronic warfare |
| EW | early warning; electronic warfare |
| EW/GCI | early warning/ground-controlled intercept |
| EW/GCI | early warning/ground-controlled intercept |
| EWC | electronic warfare coordinator |
| EWC | electronic warfare coordinator |
| EWCC | electronic warfare coordination cell |
| EWCC | electronic warfare coordination cell |
| EWCS | electronic warfare control ship |
| EWCS | electronic warfare control ship |
| EWIR | electronic warfare integrated reprogramming |
| EWIR | electronic warfare integrated reprogramming |
| EWO | electronic warfare officer |
| EWO | electronic warfare officer |
| exaggerated stereoscopy | (DOD,NATO) See hyperstereoscopy. |
| exceptional transport | (DOD,NATO) In railway terminology, transport of a load whose size, weight, or preparation entails special difficulties vis-a-vis the facilities or equipment of even one of the railway systems to be used. See also ordinary transport. |
| excess property | (DOD) The quantity of property in possession of any component of the Department of Defense that exceeds the quantity required or authorized for retention by that component. |
| EXCIMS | Executive Council for Modeling and Simulations |
| EXCIMS | Executive Council for Modeling and Simulations |
| exclusion zone | (DOD) A zone established by a sanctioning body to prohibit specific activities in a specific geographic area. The purpose may be to persuade nations or groups to modify their behavior to meet the desires of the sanctioning body or face continued imposition of sanctions, or use or threat of force. |
| exclusive economic zone | (DOD) A maritime zone adjacent to the territorial sea that may not extend beyond 200 nautical miles from the baselines from which the breadth of the territorial sea is measured. Within the exclusive economic zone (EEZ), the coastal state has sovereign rights for the purpose of exploring, exploiting, conserving, and managing natural resources, both living and nonliving, of the seabed, subsoil, and the subjacent waters and, with regard to other activities, for the economic exploitation and exploration of the zone (e.g., the production of energy from the water, currents, and winds). Within the EEZ, the coastal state has jurisdiction with regard to establishing and using artificial islands, installations, and structures having economic purposes as well as for marine scientific research and the protection and preservation of the marine environment. Other states may, however, exercise traditional high seas freedoms of navigation, overflight, and related freedoms, such as conducting military exercises in the EEZ. Also called EEZ. |
| ExCom | executive committee |
| ExCom | executive committee |
| EXDIR | Executive Director (CIA) |
| EXDIR | Executive Director (CIA) |
| EXDIR/ICA | Executive Director for Intelligence Community Affairs (USG) |
| EXDIR/ICA | Executive Director for Intelligence Community Affairs (USG) |
| EXECSEC | executive secretary |
| EXECSEC | executive secretary |
| execute order | (DOD) 1. An order issued by the Chairman of the Joint Chiefs of Staff, at the direction of the Secretary of Defense, to implement a decision by the President to initiate military operations. |
| execute order | (DOD) 2. An order to initiate military operations as directed. Also called EXORD. |
| execution planning | (DOD) The Joint Operation Planning and Execution System translation of an approved course of action into an executable plan of action through the preparation of a complete operation plan or operation order. Execution planning is detailed planning for the commitment of specified forces and resources. During crisis action planning, an approved operation plan or other approved course of action is adjusted, refined, and translated into an operation order. Execution planning can proceed on the basis of prior contingency planning, or it can take place in the absence of prior planning. Also called EP. See also Joint Operation Planning and Execution System. |
| executive agent | (DOD) A term used to indicate a delegation of authority by the Secretary of Defense to a subordinate to act on behalf of the Secretary of Defense. Designation as executive agent, in and of itself, confers no authority. The exact nature and scope of the authority delegated must be stated in the document designating the executive agent. An executive agent may be limited to providing only administration and support or coordinating common functions, or it may be delegated authority, direction, and control over specified resources for specified purposes. Also called EA. |
| EXER | exercise |
| EXER | exercise |
| exercise | (DOD) A military maneuver or simulated wartime operation involving planning, preparation, and execution. It is carried out for the purpose of training and evaluation. It may be a multinational, joint, or single-Service exercise, depending on participating organizations. See also command post exercise; field exercise; maneuver. |
| exercise directing staff | (DOD,NATO) A group of officers who by virtue of experience, qualifications, and a thorough knowledge of the exercise instructions, are selected to direct or control an exercise. |
| exercise filled mine | (DOD,NATO) In naval mine warfare, a mine containing an inert filling and an indicating device. See also explosive filled mine; fitted mine; mine. |
| exercise incident | (DOD,NATO) An occurrence injected by directing staffs into the exercise which will have an effect on the forces being exercised, or their facilities, and which will require action by the appropriate commander and/or staff being exercised. |
| exercise mine | (DOD,NATO) In naval mine warfare, a mine suitable for use in mine warfare exercises, fitted with visible or audible indicating devices to show where and when it would normally fire. See also drill mine; mine; practice mine. |
| exercise specifications | (DOD,NATO) The fundamental requirements for an exercise, providing in advance an outline of the concept, form, scope, setting, aim, objectives, force requirements, political implications, analysis arrangements, and costs. |
| exercise sponsor | (DOD,NATO) The commander who conceives a particular exercise and orders that it be planned and executed either by the commander's staff or by a subordinate headquarters. |
| exercise study | (DOD,NATO) An activity which may take the form of a map exercise, a war game, a series of lectures, a discussion group, or an operational analysis. |
| exfiltration | (DOD) The removal of personnel or units from areas under enemy control by stealth, deception, surprise, or clandestine means. See also special operations; unconventional warfare. |
| EXORD | execute order |
| EXORD | execute order |
| expedition | (DOD) A military operation conducted by an armed force to accomplish a specific objective in a foreign country. |
| expeditionary force | (DOD) An armed force organized to accomplish a specific objective in a foreign country. |
| expellee | (DOD) A civilian outside the boundaries of the country of his or her nationality or ethnic origin who is being forcibly repatriated to that country or to a third country for political or other purposes. See also displaced person; evacuee; refugee. |
| expendable property | (DOD) Property that may be consumed in use or loses its identity in use and may be dropped from stock record accounts when it is issued or used. |
| expendable supplies and materiel | (DOD) Supplies that are consumed in use, such as ammunition, paint, fuel, cleaning and preserving materials, surgical dressings, drugs, medicines, etc., or that lose their identity, such as spare parts, etc. |
| EXPLAN | exercise plan |
| EXPLAN | exercise plan |
| exploder | (DOD,NATO) A device designed to generate an electric current in a firing circuit after deliberate action by the user in order to initiate an explosive charge or charges. |
| exploitation | (DOD) 1. Taking full advantage of success in military operations, following up initial gains, and making permanent the temporary effects already achieved. |
| exploitation | (DOD) 3. An offensive operation that usually follows a successful attack and is designed to disorganize the enemy in depth. See also attack; pursuit. |
| exploitation | (DOD) 2. Taking full advantage of any information that has come to hand for tactical, operational, or strategic purposes. |
| exploratory hunting | (DOD,NATO) In naval mine warfare, a parallel operation to search sweeping, in which a sample of the route or area is subjected to minehunting procedures to determine the presence or absence of mines. |
| explosive filled mine | (DOD,NATO) In mine warfare, a mine containing an explosive charge but not necessarily the firing train needed to detonate it. See also exercise filled mine; fitted mine. |
| explosive hazard | (DOD) Any hazard containing an explosive component. Explosive hazards include unexploded explosive ordnance (including land mines), booby traps (some booby traps are nonexplosive), improvised explosive devices (which are an improvised type of booby trap), captured enemy ammunition, and bulk explosives. Also called EH. |
| explosive ordnance | (DOD,NATO) All munitions containing explosives, nuclear fission or fusion materials, and biological and chemical agents. This includes bombs and warheads; guided and ballistic missiles; artillery, mortar, rocket, and small arms ammunition; all mines, torpedoes, and depth charges; demolition charges; pyrotechnics; clusters and dispensers; cartridge and propellant actuated devices; electro-explosive devices; clandestine and improvised explosive devices; and all similar or related items or components explosive in nature. |
| explosive ordnance disposal | (DOD,NATO) The detection, identification, on-site evaluation, rendering safe, recovery, and final disposal of unexploded explosive ordnance. It may also include explosive ordnance which has become hazardous by damage or deterioration. Also called EOD. |
| explosive ordnance disposal incident | (DOD,NATO) The suspected or detected presence of unexploded or damaged explosive ordnance which constitutes a hazard to operations, installations, personnel, or material. Not included in this definition are the accidental arming or other conditions that develop during the manufacture of high explosive material, technical service assembly operations or the laying of mines and demolition charges. |
| explosive ordnance disposal procedures | (DOD,NATO) Those particular courses or modes of action taken by explosive ordnance disposal personnel for access to, diagnosis, rendering safe, recovery, and final disposal of explosive ordnance or any hazardous material associated with an explosive ordnance disposal incident. a. access procedures--Those actions taken to locate exactly and gain access to unexploded explosive ordnance. b. diagnostic procedures--Those actions taken to identify and evaluate unexploded explosive ordnance. c. render safe procedures--The portion of the explosive ordnance disposal procedures involving the application of special explosive ordnance disposal methods and tools to provide for the interruption of functions or separation of essential components of unexploded explosive ordnance to prevent an unacceptable detonation. d. recovery procedures--Those actions taken to recover unexploded explosive ordnance. e. final disposal procedures--The final disposal of explosive ordnance which may include demolition or burning in place, removal to a disposal area, or other appropriate means. |
| explosive ordnance disposal unit | (DOD) Personnel with special training and equipment who render explosive ordnance safe (such as bombs, mines, projectiles, and booby traps), make intelligence reports on such ordnance, and supervise the safe removal thereof. |
| explosive train | (DOD,NATO) A succession of initiating and igniting elements arranged to cause a charge to function. |
| exposure dose | (DOD,NATO) The exposure dose at a given point is a measurement of radiation in relation to its ability to produce ionization. The unit of measurement of the exposure dose is the roentgen. |
| exposure station | (DOD,NATO) See air station. |
| extent of a military exercise | (DOD,NATO) The scope of an exercise in relation to the involvement of NATO and/or national commands. See also intra-command exercise. |
| extent of damage | (DOD) The visible plan area of damage to a target element, usually expressed in units of 1,000 square feet, in detailed damage analysis and in approximate percentages in immediate-type damage assessment reports; e.g., 50 percent structural damage. |
| external audience | (DOD) All people who are not US military members, Department of Defense civilian employees, and their immediate families. See also internal audience; public. |
| external reinforcing force | (DOD,NATO) A reinforcing force which is principally stationed in peacetime outside its intended Major NATO Command area of operations. |
| external support contract | (DOD) Contract awarded by contracting organizations whose contracting authority does not derive directly from the theater support contracting head(s) of contracting activity or from systems support contracting authorities. See also systems support contract; theater support contract. |
| EZ | exchange zone |
| EZ | exchange zone |
| EZCO | extraction zone control officer |
| EZCO | extraction zone control officer |
| EZM | engagement zone manager |
| EZM | engagement zone manager |
