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Military Dictionary (Letter Group D)


All official U.S. DoD military terms, and their definitions, beginning with the letter D.


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A report prepared in message form at the joint force headquarters that provides higher, lateral, and subordinate headquarters with a summary of all significant intelligence produced during the previous 24-hour period. The “as of” time for information, content, and submission time for the report will be as specified by the joint force commander. Also called DISUM.
A tabulation of departures and arrivals of all merchant shipping (including neutrals) arriving or departing ports during a 24-hour period.
(*) In naval mine warfare, the plan area around a minesweeper inside which a mine explosion is likely to interrupt operations.
(*) 1. The determination of the effect of attacks on targets. 2. (DOD only) A determination of the effect of a compromise of classified information on national security. See also civil damage assessment; military damage assessment.
In naval usage, measures necessary aboard ship to preserve and reestablish watertight integrity, stability, maneuverability, and offensive power; to control list and trim; to effect rapid repairs of materiel; to limit the spread of and provide adequate protection from fire; to limit the spread of, remove the contamination by, and provide adequate protection from chemical, biological, and radiological agents; and to provide for care of wounded personnel. See also area damage control; disaster control.
The critical levels of various effects, such as blast pressure and thermal radiation, required to achieve specified levels of damage.
A preliminary appraisal of the potential effects of an attack. See also attack assessment.
The probability that a weapon will arrive, detonate, and achieve at least a specified level of damage (severe or moderate) against a given target. Damage expectancy is a function of both probability of arrival and probability of damage of a weapon.
(*) In naval mine warfare, the average distance from a ship within which a mine containing a given weight and type of explosive must detonate if it is to inflict a specified amount of damage.
(*) The probability that a target ship passing once through a minefield will explode one or more mines and sustain a specified amount of damage.
(*) 1. In air traffic control, an airspace of defined dimensions within which activities dangerous to the flight of aircraft may exist at specified times. 2. (DOD only) A specified area above, below, or within which there may be potential danger. See also closed area; prohibited area; restricted area.
In close air support, artillery, mortar, and naval gunfire support fires, it is the term included in the method of engagement segment of a call for fire which indicates that friendly forces are within close proximity of the target. The close proximity distance is determined by the weapon and munition fired. See also call for fire; final protective fire.
(*) Cargo which, because of its dangerous properties, is subject to special regulations for its transport.
That space between the weapon and the target where the trajectory does not rise 1.8 meters (the average height of a standing human). This includes the area encompassed by the beaten zone. See also beaten zone.
Representation of facts, concepts, or instructions in a formalized manner suitable for communication, interpretation, or processing by humans or by automatic means. Any representations such as characters or analog quantities to which meaning is or might be assigned.
Information that is normally structured and indexed for user access and review. Databases may exist in the form of physical files (folders, documents, etc.) or formatted automated data processing system data files. (JP 2-0)
Information presented on air imagery relevant to the geographical position, altitude, attitude, and heading of the aircraft and, in certain cases, administrative information and information on the sensors employed.
A number, letter, character, or any combination thereof used to represent a data element or data item.
1. A basic unit of information built on standard structures having a unique meaning and distinct units or values. 2. In electronic recordkeeping, a combination of characters or bytes referring to one separate item of information, such as name, address, or age.
A subunit of descriptive information or value classified under a data element. For example, the data element “military personnel grade” contains data items such as sergeant, captain, and colonel.
(*) The means of connecting one location to another for the purpose of transmitting and receiving data. See also tactical digital information link.
A voice coordination net of voice circuits used to coordinate technical operation of data terminal equipment. One voice circuit is required for each tactical digital information link (TADIL)-B pair, and one net is required for participants on each TADIL-A, TADIL-J, or interim Joint Tactical Information Distribution System message specification net. The net is normally secure or covered. Also called DCN.
A standard unit of distance
See international date line.
The date and time, expressed in digits and time zone suffix, at which the message was prepared for transmission. (Expressed as six digits followed by the time zone suffix; first pair of digits denotes the date, second pair the hours, third pair the minutes, followed by a three-letter month abbreviation and two-digit year abbreviation.) Also called DTG.
(*) Any numerical or geometrical quantity or set of such quantities which may serve as reference or base for other quantities. Where the concept is geometric, the plural form is “datums” in contrast to the normal plural “data.”
A datum is the last known position of a submarine, or suspected submarine, after contact has been lost.
An estimate of the degree of accuracy in the reported position of datum.
1. A reference surface consisting of five quantities: the latitude and longitude of an initial point, the azimuth of a line from that point, and the parameters of the reference ellipsoid. 2. The mathematical model of the earth used to calculate the coordinates on any map. Different nations use different datums for printing coordinates on their maps. The datum is usually referenced in the marginal information of each map.
(*) A surface to which elevations, heights, or depths on a map or chart are related. See also altitude.
(*) Any reference point of known or assumed coordinates from which calculation or measurements may be taken. See also pinpoint.
The time when contact with the submarine, or suspected submarine, was lost.
A small crane on a vessel that is used to raise and lower small boats, such as lifeboats, side loadable warping tugs, or causeway sections. (JP 4-01.6)
See one day’s supply.
Temporary loss of vision or a temporary reduction in visual acuity; may also be applied to effects on optics. See also directed-energy warfare; flash blindness.
See times.
As applied to the D-to-P concept, these assets are required to compensate for the inability of the production base to meet expenditure (consumption) requirements during the D-to-P period. See also D-to-P concept.
As applied to the D-to-P concept, this capability represents the sum of all assets on hand on D-day and the gross production capability (funded and unfunded) between D-day and P-day. When this capability equals the D-to-P materiel readiness gross requirement, requirements and capabilities are in balance. See also D-to-P concept.
As applied to the D-to-P concept, these assets represent the sum of continental United States and overseas operating and safety levels and intransit levels of supply. See also D-to-P concept.
To remove a vehicle or piece of equipment from operation or use for one of the following reasons: a. is inoperative due to damage, malfunctioning, or necessary repairs (the term does not include items temporarily removed from use by reason of routine maintenance and repairs that do not affect the combat capability of the item); b. is unsafe; and c. would be damaged by further use.
(*) A mine which has been neutralized, sterilized, or rendered safe. See also mine.
(*) 1. An area within the maximum range of a weapon, radar, or observer, which cannot be covered by fire or observation from a particular position because of intervening obstacles, the nature of the ground, or the characteristics of the trajectory, or the limitations of the pointing capabilities of the weapon. 2. An area or zone which is within range of a radio transmitter, but in which a signal is not received. 3. The volume of space above and around a gun or guided missile system into which it cannot fire because of mechanical or electronic limitations.
An operation in which a weapon is changed from a state of readiness for initiation to a safe condition. Also called safing. See also arm or de-arm. (JP 3-04.1)
The unloading of troops, equipment, or supplies from a ship or aircraft.
A specially prepared type of cargo net employed for the debarkation of troops over the side of a ship.
(*) A schedule that provides for the timely and orderly debarkation of troops and equipment and emergency supplies for the waterborne ship-to-shore movement.
A casualty status applicable to a person who is either known to have died, determined to have died on the basis of conclusive evidence, or declared to be dead on the basis of a presumptive finding of death. The recovery of remains is not a prerequisite to determining or declaring a person deceased. See also casualty status.
(*) In air defense, the normal mode whereby a higher echelon monitors unit actions, making direct target assignments to units only when necessary to ensure proper fire distribution or to prevent engagement of friendly aircraft. See also centralized control.
Delegation of execution authority to subordinate commanders. (JP 3-30)
Those items of supply for which appropriate authority has prescribed local management and procurement.
Those measures designed to mislead the enemy by manipulation, distortion, or falsification of evidence to induce the enemy to react in a manner prejudicial to the enemy’s interests. See also counterdeception; military deception.
A collection of related deception events that form a major component of a deception operation. (JP 3-13.4)
The deception course of action forwarded to the Chairman of the Joint Chiefs of Staff for review as part of the combatant commander’s strategic concept.
A deception scheme developed during the estimate process in sufficient detail to permit decisionmaking. At a minimum, a deception course of action will identify the deception objective, the deception target, the desired perception, the deception story, and tentative deception means. (JP 3-13.4)
A deception means executed at a specific time and location in support of a deception operation. (JP 3-13.4)
Methods, resources, and techniques that can be used to convey information to the deception target. There are three categories of deception means: a. physical means. Activities and resources used to convey or deny selected information to a foreign power. b. technical means. Military material resources and their associated operating techniques used to convey or deny selected information to a foreign power. c. administrative means. Resources, methods, and techniques to convey or deny oral, pictorial, documentary, or other physical evidence to a foreign power. (JP 3-13.4)
The desired result of a deception operation expressed in terms of what the adversary is to do or not to do at the critical time and/or location. (JP 3-13.4)
A scenario that outlines the friendly actions that will be portrayed to cause the deception target to adopt the desired perception. (JP 3-13.4)
The adversary decisionmaker with the authority to make the decision that will achieve the deception objective. (JP 3-13.4)
In an estimate of the situation, a clear and concise statement of the line of action intended to be followed by the commander as the one most favorable to the successful accomplishment of the assigned mission.
(*) An altitude related to the highest elevation in the touchdown zone, specified for a glide slope approach, at which a missed-approach procedure must be initiated if the required visual reference has not been established. See also decision height.
(*) A height above the highest elevation in the touchdown zone, specified for a glide slope approach, at which a missed-approach procedure must be initiated if the required visual reference has not been established. See also decision altitude.
The point in space and time where the commander or staff anticipates making a decision concerning a specific friendly course of action. A decision point is usually associated with a specific target area of interest, and is located in time and space to permit the commander sufficient lead time to engage the adversary in the target area of interest. Decision points may also be associated with the friendly force and the status of ongoing operations. See also course of actions; decision support template; target area of interest. (JP 2-01.3)
A graphic record of wargaming. The decision support template depicts decision points, timelines associated with movement of forces and the flow of the operation, and other key items of information required to execute a specific friendly course of action. See also course of action; decision point. (JP 2-01.3)
In land and naval warfare, an engagement in which a unit is considered fully committed and cannot maneuver or extricate itself. In the absence of outside assistance, the action must be fought to a conclusion and either won or lost with the forces at hand.
A geographic place, specific key event, critical factor, or function that, when acted upon, allows commanders to gain a marked advantage over an adversary or contribute materially to achieving success. See also center of gravity. (JP 3-0)
See ground alert.
The continuous speed which a master declares the ship can maintain on a forthcoming voyage under moderate weather conditions having due regard to the ship’s present condition.
The determination that, in the interests of national security, classified information no longer requires any degree of protection against unauthorized disclosure, coupled with removal or cancellation of the classification designation.
(*) To cancel the security classification of an item of classified matter. Also called DECL. See also downgrade.
(*) The angular distance to a body on the celestial sphere measured north or south through 90 degrees from the celestial equator along the hour circle of the body. Comparable to latitude on the terrestrial sphere. See also magnetic declination; magnetic variation.
See hyperbaric chamber.
A syndrome, including bends, chokes, neurological disturbances, and collapse, resulting from exposure to reduced ambient pressure and caused by gas bubbles in the tissues, fluids, and blood vessels.
(*) The process of making any person, object, or area safe by absorbing, destroying, neutralizing, making harmless, or removing chemical or biological agents, or by removing radioactive material clinging to or around it.
(*) A building or location suitably equipped and organized where personnel and materiel are cleansed of chemical, biological, or radiological contaminants.
An imitation in any sense of a person, object, or phenomenon which is intended to deceive enemy surveillance devices or mislead enemy evaluation. Also called dummy.
(*) A ship camouflaged as a noncombatant ship with its armament and other fighting equipment hidden and with special provisions for unmasking its weapons quickly. Also called Q-ship.
To convert encrypted text into its equivalent plain text by means of a cryptosystem. (This does not include solution by cryptanalysis.) (Note: The term“decrypt” covers the meanings of “decipher” and “decode.”) See also cryptosystem.
(*) The characteristic of a self-propelled gun or ground vehicle equipped with built-in waterproofing and/or a special waterproofing kit, to negotiate a water obstacle with its wheels or tracks in contact with the ground.
(*) An antisubmarine minefield which is safe for surface ships to cross. See also minefield.
(*) An international or administrative boundary whose existence and legality is not recognized, but which is a practical division between separate national and provincial administering authorities.
(*) For any particular command, the area extending from the forward edge of the battle area to its rear boundary. It is here that the decisive defensive battle is fought.
A revolving industrial fund concept for a large number of Defense support functions, including transportation. Utilizes business-like cost accounting to determine total cost of a business activity. Defense Business Operations Fund-Transportation is comprised of those Defense Business Operations Fund accounts assigned by the Office of the Secretary of Defense for Commander in Chief, United States Transportation Command control. Also called DBOF. (JP 4-01.7)
See security classification.
Department of Defense long-haul voice, data, and record traffic system which includes the Defense Data Network, Defense Satellite Communications System, and Defense Switched Network. Also called DCS. See also Defense Switched Network. (JP 3-07.4)
A military or civilian official who has been designated by the Department of Defense to exercise some delegated authority of the Department of Defense executive agent to coordinate military support to civil authorities activities. Also called DCO. (JP 3-26)
Department of Defense and non-Department of Defense networked assets and essential to project, support, and sustain military forces and operations worldwide. Also called DCI. (JP 3-26)
An emergency condition that exists when: a. a major attack is made upon US forces overseas or on allied forces in any theater and is confirmed by either the commander of a command established by the Secretary of Defense or higher authority; or b. an overt attack of any type is made upon the United States and is confirmed either by the commander of a command established by the Secretary of Defense or higher authority.
The siting of mutually supporting defense positions designed to absorb and progressively weaken attack, prevent initial observations of the whole position by the enemy, and to allow the commander to maneuver the reserve.
The Department of Defense, government, and private sector worldwide industrial complex with capabilities to perform research and development, design, produce, and maintain military weapon systems, subsystems, components, or parts to meet military requirements. (JP 3-26)
The shared or interconnected system of computers, communications, data applications, security, people, training, and other support structures serving Department of Defense (DOD) local, national, and worldwide information needs. The defense information infrastructure connects DOD mission support, command and control, and intelligence computers through voice, telecommunications, imagery, video, and multimedia services. It provides information processing and services to subscribers over the Defense Information Systems Network and includes command and control, tactical, intelligence, and commercial communications systems used to transmit DOD information. Also called DII. See also global information infrastructure; information; infrastructure; national information infrastructure. (JP 3-13)
Integrated network, centrally managed and configured to provide long-haul information transfer services for all Department of Defense activities. It is an information transfer utility designed to provide dedicated point-to-point, switched voice and data, imagery, and video teleconferencing services. Also called DISN. (JP 2-01)
The integration, evaluation, analysis, and interpretation of information from single or multiple sources into finished intelligence for known or anticipated military and related national security consumer requirements. (JP 2-0)
Consists of all hardware, software, procedures, standards, facilities, and personnel used to exchange messages electronically.
Military weather satellite controlled by National Oceanic and Atmospheric Administration. Also called DMSP.
This document, issued by the Secretary of Defense, provides firm guidance in the form of goals, priorities, and objectives, including fiscal constraints, for the development of the Program Objective Memorandums by the Military Departments and Defense agencies. Also called DPG.
A uniform system of progressive alert postures for use between the Chairman of the Joint Chiefs of Staff and the commanders of unified and specified commands and for use by the Services. Defense readiness conditions are graduated to match situations of varying military severity (status of alert). Defense readiness conditions are identified by the short title DEFCON (5), (4), (3), (2), and (1), as appropriate. Also called DEFCON.
Geosynchronous military communications satellites that provide high data rate communications for military forces, diplomatic corps, and the White House. The Defense Satellite Communications System provides long-haul super-high frequency 7/8 gigahertz voice and high data rate communications for fixed and transportable terminals, and extends mobile service to a limited number of ships and aircraft. Also called DSCS.
An identified grouping of Department of Defense functions that perform essential services required for military operations and the ability to project and support forces worldwide. (JP 3-26)
Satellites that provide early warning of missile launches; the first line of defense against missile attack against North America. Also called DSP.
Those activities and measures taken by the Department of Defense components to support and facilitate public diplomacy efforts of the United States Government. Also called DSPD. (JP 3-13)
Component of the Defense Communications System that handles Department of Defense voice, data, and video communications. Also called DSN. See also Defense Communications System. (JP 3-07.4)
That portion of the Nation’s transportation infrastructure that supports Department of Defense common-user transportation needs across the range of military operations. It consists of those common-user military and commercial assets, services, and systems organic to, contracted for, or controlled by the Department of Defense. Also called DTS. See also common-user transportation; transportation system.
(*) A part of a coastal area and of the air, land, and water area adjacent to the coastline within which defense operations may involve land, sea, and air forces.
All defensive measures designed to detect, identify, intercept, and destroy or negate enemy forces attempting to attack or penetrate the friendly air environment. Also called DCA. See also counterair; offensive counterair. (JP 3-01)
(*) 1. In naval mine warfare, a minefield laid in international waters or international straits with the declared intention of controlling shipping in defense of sea communications. 2. (DOD only) In land mine warfare, a minefield laid in accordance with an established plan to prevent a penetration between positions and to strengthen the defense of the positions themselves. See also minefield.
A sea area, usually including the approaches to and the waters of important ports, harbors, bays, or sounds, for the control and protection of shipping; for the safeguarding of defense installations bordering on waters of the areas; and for provision of other security measures required within the specified areas. It does not extend seaward beyond the territorial waters. See also maritime control area.
A belt of terrain, generally parallel to the front, that includes two or more organized, or partially organized, battle positions.
(*) 1. Protection from hostile observation and fire provided by an obstacle such as a hill, ridge, or bank. 2. A vertical distance by which a position is concealed from enemy observation. 3. To shield from enemy fire or observation by using natural or artificial obstacles.
(*) The employment of defoliating agents on vegetated areas in support of military operations.
(*) A chemical which causes trees, shrubs, and other plants to shed their leaves prematurely.
The process whereby a ship’s magnetic field is reduced by the use of electromagnetic coils, permanent magnets, or other means.
As specified by the commander, the risk to which friendly forces may be subjected from the effects of the detonation of a nuclear weapon used in the attack of a close-in enemy target; acceptable degrees of risk under differing tactical conditions are emergency, moderate, and negligible. See also emergency risk (nuclear); negligible risk (nuclear).
(*) An international or administrative boundary whose existence and legality is recognized.
A program under which an individual may enlist in a Reserve Component of a military service and specify a future reporting date for entry on active duty that would coincide with availability of training spaces and with personal plans such as high school graduation. Also called DEP. See also active duty. (JP 4-05)
See delaying operation.
(*) An operation in which a force under pressure trades space for time by slowing down the enemy’s momentum and inflicting maximum damage on the enemy without, in principle, becoming decisively engaged.
(*) A sinker which holds a moored mine on the sea-bed for a predetermined time after laying.
The action by which a commander assigns part of his or her authority commensurate with the assigned task to a subordinate commander. While ultimate responsibility cannot be relinquished, delegation of authority carries with it the imposition of a measure of responsibility. The extent of the authority delegated must be clearly stated.
(*) A type of offensive action characterized by preplanned coordinated employment of firepower and maneuver to close with and destroy or capture the enemy.
(*) The creation of a lane through a minefield or a clear route through a barrier or fortification, which is systematically planned and carried out.
(*) The crossing of an inland water obstacle that requires extensive planning and detailed preparations. See also hasty crossing.
(*) A defense normally organized when out of contact with the enemy or when contact with the enemy is not imminent and time for organization is available. It normally includes an extensive fortified zone incorporating pillboxes, forts, and communications systems. See also hasty defense.
1. The Joint Operation Planning and Execution System process involving the development of joint operation plans for contingencies identified in joint strategic planning documents. Deliberate planning is accomplished in prescribed cycles that complement other Department of Defense planning cycles in accordance with the formally established Joint Strategic Planning System. 2. A planning process for the deployment and employment of apportioned forces and resources that occurs in response to a hypothetical situation. Deliberate planners rely heavily on assumptions regarding the circumstances that will exist when the plan is executed. See also Joint Operation Planning and Execution System; Joint Strategic Planning System. (JP 5-00.1)
The ship in a replenishment unit that delivers the rig(s).
(*) The inaccuracy associated with a given weapon system resulting in a dispersion of shots about the aiming point. See also circular error probable; deviation; dispersion; dispersion error; horizontal error.
1. Periodic estimates of contract production deliveries used as a measure of the effectiveness of production and supply availability scheduling and as a guide to corrective actions to resolve procurement or production bottlenecks. 2. Estimates of deliveries under obligation against procurement from appropriated or other funds.
The stipulation that requires that an item of materiel must be delivered in the total quantity required by the date required.
(*) A defined area in which the stationing or concentrating of military forces, or the retention or establishment of military installations of any description, is prohibited. (JP 3-07.3)
The process of transitioning a conflict or wartime military establishment and defense-based civilian economy to a peacetime configuration while maintaining national security and economic vitality. See also mobilization. (JP 4-05)
A selected land area sown with explosive charges, mines, and other available obstacles to deny use of the land to enemy operations, and as a protection to friendly troops. There are two types of demolition belts: a. primary. A continuous series of obstacles across the whole front, selected by the division or higher commander. The preparation of such a belt is normally a priority engineer task. b. subsidiary. A supplement to the primary belt to give depth in front or behind or to protect the flanks.
(*) Space intentionally provided in a structure for the emplacement of explosive charges.
The party at the site that is technically responsible for the demolition and that actually initiates detonation or fires the demolitions. See also demolition guard; state of readiness.
A local force positioned to ensure that a target is not captured by an enemy before orders are given for its demolition and before the demolition has been successfully fired. The commander of the demolition guard is responsible for the tactical control of all troops at the demolition site, including the demolition firing party. The commander of the demolition guard is responsible for transmitting the order to fire to the demolition firing party.
(*) The demolition tool kit complete with explosives. See also demolition tool kit.
(*) A target of known military interest identified for possible future demolition. See also charged demolition target; preliminary demolition target; prewithdrawal demolition target; reserved demolition target; uncharged demolition target.
(*) The tools, materials and accessories of a nonexplosive nature necessary for preparing demolition charges. See also demolition kit.
(*) 1. An attack or show of force on a front where a decision is not sought, made with the aim of deceiving the enemy. See also amphibious demonstration; diversion; diversionary attack. 2. (DOD only) In military deception, a show of force in an area where a decision is not sought that is made to deceive an adversary. It is similar to a feint but no actual contact with the adversary is intended. (JP 3-13.4)
(*) An action to hinder or deny the enemy the use of space, personnel, or facilities. It may include destruction, removal, contamination, or erection of obstructions.
An area under enemy or unfriendly control in which friendly forces cannot expect to operate successfully within existing operational constraints and force capabilities. (JP 3-05)
(*) An atmospheric density expressed in terms of the altitude which corresponds with that density in the standard atmosphere.
Intelligence that any department or agency of the Federal Government requires to execute its own mission.
The Corps of Engineers, Naval Facilities Engineering Command, or other such approved Department of Defense activity, that is assigned design or execution responsibilities associated with military construction programs, facilities support, or civil engineering support to the combatant commanders in contingency operations. See also contingency operation. (JP 3-34)
All Department of Defense (DOD)-owned, leased, and controlled 20- or 40-foot intermodal International Organization for Standardization containers and flatracks, supporting equipment such as generator sets and chassis, container handling equipment, information systems, and other infrastructure that supports DOD transportation and logistic operations, including commercially provided transportation services. This also includes 463L pallets, nets, and tie down equipment as integral components of the DOD Intermodal Container System. Size and configuration of the common-use portion of the DOD container system controlled by US Transportation Command (USTRANSCOM), will be determined by USTRANSCOM based on established requirements and availability of commercially owned containers and equipment. USTRANSCOM will lease or procure additional containers as required to augment the DOD container system. See also container-handling equipment; containerization; International Organization for Standardization. (JP 4-01.7)
A facility subject to the custody, jurisdiction, or administration of any Department of Defense component. This term includes, but is not limited to, military reservations, installations, bases, posts, camps, stations, arsenals, vessels/ ships, or laboratories where a Department of Defense component has operational responsibility for facility security and defense. (JP 3-26)
The combination of Department of Defense personnel, procedures, equipment, computer programs, and supporting communications that support the timely and comprehensive preparation and presentation of intelligence and information to military commanders and national-level decision makers. Also called DODIIS.
The Army Audit Agency; Naval Audit Service; Air Force Audit Agency; and the Office of the Assistant Inspector General for Auditing, Office of the Inspector General, Department of Defense.
Support provided by the Department of Defense to law enforcement agencies to detect, monitor, and counter the production, trafficking, and use of illegal drugs. See also counterdrug operations. (JP 3-0)
The executive part of the Department of the Air Force at the seat of government and all field headquarters, forces, Reserve Components, installations, activities, and functions under the control or supervision of the Secretary of the Air Force. Also called DAF. See also Military Department.
The executive part of the Department of the Army at the seat of government and all field headquarters, forces, Reserve Components, installations, activities, and functions under the control or supervision of the Secretary of the Army. Also called DA. See also Military Department.
The executive part of the Department of the Navy at the seat of government; the headquarters, US Marine Corps; the entire operating forces of the United States Navy and of the US Marine Corps, including the Reserve Components of such forces; all field activities, headquarters, forces, bases, installations, activities, and functions under the control or supervision of the Secretary of the Navy; and the US Coast Guard when operating as a part of the Navy pursuant to law. Also called DON. See also Military Department.
An airfield on which troops and/or materiel are enplaned for flight. See also airfield.
The general area encompassing all base camps, bivouacs, and departure airfield facilities. (JP 3-17)
(*) That end of a runway nearest to the direction in which initial departure is made.
(*) 1. A navigational check point used by aircraft as a marker for setting course. 2. In amphibious operations, an air control point at the seaward end of the helicopter approach lane system from which helicopter waves are dispatched along the selected helicopter approach lane to the initial point.
A combatant commander asset composed of personnel from the combatant command and components’ staffs. The members are a joint, multidisciplined group of planners and operators who operationally report to the combatant commander’s operations directorate until deployed to a joint task force. Also called DJTFAC. (JP 3-0)
The identification of a population at risk, recognition and assessment of hazardous exposures, employment of specific countermeasures, and monitoring health outcomes.
1. When used in connection with the transfer of weapons between the Department of Energy and the Department of Defense, this term describes those weapons transferred to and in the custody of the Department of Defense. 2. Those nuclear weapons specifically authorized by the Joint Chiefs of Staff to be transferred to the custody of the storage facilities or carrying or delivery units of the Armed Forces.
1. In naval usage, the change from a cruising approach or contact disposition to a disposition for battle. 2. The movement of forces within operational areas. 3. The positioning of forces into a formation for battle. 4. The relocation of forces and materiel to desired operational areas. Deployment encompasses all activities from origin or home station through destination, specifically including intra-continental United States, intertheater, and intratheater movement legs, staging, and holding areas. See also deployment order; deployment planning; deployment preparation order. (JP 4-0)
The Joint Operation Planning and Execution System database containing the necessary information on forces, materiel, and filler and replacement personnel movement requirements to support execution. The database reflects information contained in the refined time-phased force and deployment data from the deliberate planning process or developed during the various phases of the crisis action planning process, and the movement schedules or tables developed by the transportation component commands to support the deployment of required forces, personnel, and materiel. See also time-phased force and deployment data.
In the assault phase of an amphibious operation, a diagram showing the formation in which the boat group proceeds from the rendezvous area to the line of departure and the method of deployment into the landing formation.
A planning directive from the Secretary of Defense, issued by the Chairman of the Joint Chiefs of Staff, that authorizes and directs the transfer of forces between combatant commands by reassignment or attachment. A deployment order normally specifies the authority that the gaining combatant commander will exercise over the transferred forces. See also deployment; deployment planning; deployment preparation order. (JP 5-0)
Operational planning directed toward the movement of forces and sustainment resources from their original locations to a specific operational area for conducting the joint operations contemplated in a given plan. Encompasses all activities from origin or home station through destination, specifically including intra-continental United States, intertheater, and intratheater movement legs, staging areas, and holding areas. See also deployment; deployment order; deployment preparation order. (JP 5-0)
An order issued by competent authority to move forces or prepare forces for movement (e.g., increase deployability posture of units). See also deployment; deployment order; deployment planning.
1. supply — An activity for the receipt, classification, storage, accounting, issue, maintenance, procurement, manufacture, assembly, research, salvage, or disposal of material. 2. personnel — An activity for the reception, processing, training, assignment, and forwarding of personnel replacements.
That maintenance performed on materiel requiring major overhaul or a complete rebuild of parts, assemblies, subassemblies, and end-items, including the manufacture of parts, modifications, testing, and reclamation as required. Depot maintenance serves to support lower categories of maintenance by providing technical assistance and performing that maintenance beyond their responsibility. Depot maintenance provides stocks of serviceable equipment by using more extensive facilities for repair than are available in lower level maintenance activities.
(*) In maritime/hydrographic use, the vertical distance from the plane of the hydrographic datum to the bed of the sea, lake, or river.
(*) A line connecting points of equal depth below the hydrographic datum. Also called bathymetric contour or depth curve.
See depth contour.
(*) Written indication on maps and charts, used to specify the nature of a feature (natural or artificial) shown by a general symbol.
The commander responsible for planning, coordinating, and executing military taskings in civil emergencies for a particular branch or agency of the Department of Defense. (JP 3-26)
The threat against which an asset must be protected and upon which the protective system’s design is based. It is the baseline type and size of threat that buildings or other structures are designed to withstand. The design basis threat includes the tactics aggressors will use against the asset and the tools, weapons, and explosives employed in these tactics. Also called DBT. (JP 3-07.2)
See appreciations.
The damage or casualties to the enemy or materiel that a commander desires to achieve from a nuclear weapon detonation. Damage effects on materiel are classified as light, moderate, or severe. Casualty effects on personnel may be immediate, prompt, or delayed.
(*) The point on the surface of the Earth at, or vertically below or above, the center of a planned nuclear detonation. Also called DGZ. See also actual ground zero; ground zero.
A precise point, associated with a target, and assigned as the center for impact of multiple weapons or area munitions to achieve the intended objective and level of destruction. May be defined descriptively, by grid reference, or by geolocation. Also called DMPI. See also aimpoint; desired point of impact. (JP 2-01.1)
In military deception, what the deception target must believe for it to make the decision that will achieve the deception objective. (JP 3-13.4)
A precise point, associated with a target, and assigned as the impact point for a single unitary weapon to achieve the intended objective and level of destruction. May be defined descriptively, by grid preferences, or geolocation. Also called DPI. See also aimpoint; desired mean point of impact. (JP 2-01.1)
A condition of a target so damaged that it can neither function as intended nor be restored to a usable condition. In the case of a building, all vertical supports and spanning members are damaged to such an extent that nothing is salvageable. In the case of bridges, all spans must have dropped and all piers must require replacement.
A type of adjustment for destroying a given target.
Fire delivered for the sole purpose of destroying material objects. See also fire.
(*) In artillery, fire delivered for the purpose of destroying a point target. See also fire.
(*) In mine warfare, the maximum distance from an exploding charge of stated size and type at which a mine will be destroyed by sympathetic detonation of the main charge, with a stated probability of destruction, regardless of orientation.
(*) 1. A part of a unit separated from its main organization for duty elsewhere. 2. A temporary military or naval unit formed from other units or parts of units. Also called DET.
(*) A comprehensive, analytical, intelligence report written as a result of the interpretation of photography usually covering a single subject, a target, target complex, and of a detailed nature.
See missing.
A term used to refer to any person captured or otherwise detained by an armed force.
A facility or other location where detainees are assembled for subsequent movement to a detainee processing station.
A facility or other location where detainees are administratively processed and provided custodial care pending disposition and subsequent release, transfer, or movement to a prisoner-of-war or civilian internee camp.
(*) The part of a mine firing circuit which responds to the influence of a target.
1. In tactical operations, the perception of an object of possible military interest but unconfirmed by recognition. 2. In surveillance, the determination and transmission by a surveillance system that an event has occurred. 3. In arms control, the first step in the process of ascertaining the occurrence of a violation of an arms control agreement. 4. In nuclear, biological, and chemical (NBC) environments, the act of locating NBC hazards by use of NBC detectors or monitoring and/or survey teams. See also hazard; monitoring; nuclear, biological, and chemical environment. (JP 3-11)
(*) A limit placed on a particular product characteristic to define the minimum acceptable quality requirement for the product to retain its NATO code number.
The prevention from action by fear of the consequences. Deterrence is a state of mind brought about by the existence of a credible threat of unacceptable counteraction.
A course of action, developed on the best economic, diplomatic, political, and military judgment, designed to dissuade an adversary from a current course of action or contemplated operations. (In constructing an operation plan, a range of options should be presented to effect deterrence. Each option requiring deployment of forces should be a separate force module.)
(*) A waterproof, flexible fabric tube containing a high explosive designed to transmit the detonation wave.
(*) A device containing a sensitive explosive intended to produce a detonation wave.
US Agency for International Development function chartered under chapter one of the Foreign Assistance Act of 1961, primarily designed to promote economic growth and the equitable distribution of its benefits. (JP 3-08)
(*) 1. The distance by which a point of impact or burst misses the target. See also circular error probable; delivery error; dispersion error; horizontal error. 2. The angular difference between magnetic and compass headings.
See relative aperture.
(*) A positive photograph on a transparent medium.
A casualty category applicable to a hostile casualty, other than the victim of a terrorist activity, who dies of wounds or other injuries received in action after having reached a medical treatment facility. Also called DWRIA. See also casualty category.
(*) In bombing, a hypothetical wind equal to the difference in velocity between the ballistic wind and the actual wind at a release altitude.
(*) The total force which is exerted on the sides of a structure by the advancing shock front of a nuclear explosion.
(*) In naval mine warfare, the amount by which a moored mine is carried beneath its set depth by a current or tidal stream acting on the mine casing and mooring.
(*) Authority for overflight or landing obtained at government-to-government level through diplomatic channels.
Any Foreign Service establishment maintained by the US Department of State abroad. It may be designated a“mission” or “consular office,” or given a special designation for particular purposes, such as “United States Liaison Office.” A “mission” is designated as an embassy and is maintained in order to conduct normal continuing diplomatic relations between the US Government and other governments. A “consular office” is any consulate general or consulate that may participate in most foreign affairs activities, and varies in size and scope.
(*) In naval mine warfare, a mechanism which responds to a change in the magnitude of the vertical component of the total magnetic field.
Short-duration strikes and other small-scale offensive actions conducted as a special operation in hostile, denied, or politically sensitive environments and which employ specialized military capabilities to seize, destroy, capture, exploit, recover, or damage designated targets. Direct action differs from conventional offensive actions in the level of physical and political risk, operational techniques, and the degree of discriminate and precise use of force to achieve specific objectives. Also called DA. See also special operations; special operations forces. (JP 3-05)
See impact action fuze; proximity fuze; self-destroying fuse; time fuze.
The principal air control agency of the US Marine air command and control system responsible for the direction and control of air operations directly supporting the ground combat element. It processes and coordinates requests for immediate air support and coordinates air missions requiring integration with ground forces and other supporting arms. It normally collocates with the senior fire support coordination center within the ground combat element and is subordinate to the tactical air command center. Also called DASC. See also Marine air command and control system; tactical air operations center. (JP 3-09.3)
An airborne aircraft equipped with the necessary staff personnel, communications, and operations facilities to function as a direct air support center. Also called DASC(A). See also direct air support center.
An umbrella term covering technologies that relate to the production of a beam of concentrated electromagnetic energy or atomic or subatomic particles. Also called DE. See also directed-energy device; directed-energy weapon.
A system using directed energy primarily for a purpose other than as a weapon. Directed-energy devices may produce effects that could allow the device to be used as a weapon against certain threats; for example, laser rangefinders and designators used against sensors that are sensitive to light. See also directed energy; directed-energy weapon.
That division of directed-energy warfare involving actions taken to protect friendly equipment, facilities, and personnel to ensure friendly effective uses of the electromagnetic spectrum that are threatened by hostile directed-energy weapons and devices.
Military action involving the use of directed-energy weapons, devices, and countermeasures to either cause direct damage or destruction of enemy equipment, facilities, and personnel, or to determine, exploit, reduce, or prevent hostile use of the electromagnetic spectrum through damage, destruction, and disruption. It also includes actions taken to protect friendly equipment, facilities, and personnel and retain friendly use of the electromagnetic spectrum. Also called DEW. See also directed energy; directed-energy device; directed-energy weapon; electromagnetic spectrum; electronic warfare.
A system using directed energy primarily as a direct means to damage or destroy enemy equipment, facilities, and personnel. See also directed energy; directed-energy device.
A supply method of issuing serviceable materiel in exchange for unserviceable materiel on an item-for-item basis. Also called DX.
Fire delivered on a target using the target itself as a point of aim for either the weapon or the director. (JP 3-09.3)
(*) Illumination provided by direct light from pyrotechnics or searchlights.
See exercise directing staff.
In artillery and naval gunfire support, a term used by a spotter and/or observer in a call for fire to indicate the bearing of the spotting line. See also bearing; call for fire; naval gunfire support; spotter; spotting line. (JP 2-0)
An azimuth gyro with a direct display and means for setting the datum to a specified compass heading.
A procedure for obtaining bearings of radio frequency emitters by using a highly directional antenna and a display unit on an intercept receiver or ancillary equipment.
A specific direction or route that the main attack or center of mass of the unit will follow. The unit is restricted, required to attack as indicated, and is not normally allowed to bypass the enemy. The direction of attack is used primarily in counterattacks or to ensure that supporting attacks make maximal contribution to the main attack.
(*) 1. A military communication in which policy is established or a specific action is ordered. 2. A plan issued with a view to putting it into effect when so directed, or in the event that a stated contingency arises. 3. Broadly speaking, any communication which initiates or governs action, conduct, or procedure.
Combatant commander authority to issue directives to subordinate commanders, including peacetime measures, necessary to ensure the effective execution of approved operation plans. Essential measures include the optimized use or reallocation of available resources and prevention or elimination of redundant facilities and/or overlapping functions among the Service component commands. See also combatant command (command authority); logistics. (JP 0-2)
Laying in which the sights of weapons are aligned directly on the target. Normally used in conjunction with mortars and sometimes artillery. See also lay.
That authority granted by a commander (any level) to a subordinate to directly consult or coordinate an action with a command or agency within or outside of the granting command. Direct liaison authorized is more applicable to planning than operations and always carries with it the requirement of keeping the commander granting direct liaison authorized informed. Direct liaison authorized is a coordination relationship, not an authority through which command may be exercised. Also called DIRLAUTH. (JP 0-2)
Normally a senior officer who is familiar with the area of responsibility or joint operations area and possesses an extensive background in air mobility operations. When established, the director of mobility forces serves as the designated agent for all air mobility issues in the area of responsibility or joint operations area, and for other duties as directed. The director of mobility forces exercises coordinating authority between the air operations center (or appropriate theater command and control node), the tanker airlift control center, the air mobility operations control center (when established and when supporting subordinate command objectives), and the joint movement center, in order to expedite the resolution of air mobility issues. The director of mobility forces may be sourced from the theater’s organizations or US Transportation Command. Additionally, the director of mobility forces, when designated, will ensure the effective integration of intertheater and intratheater air mobility operations, and facilitate the conduct of intratheater air mobility operations. Also called DIRMOBFOR. See also Air Force air and space operations center; coordinating authority; joint movement center; Tanker Airlift Control Center. (JP 3-30)
A mission requiring a force to support another specific force and authorizing it to answer directly to the supported force’s request for assistance. Also called DS. See also close support; general support; mission; mutual support; support. (JP 3-09.1)
(*) Artillery whose primary task is to provide fire requested by the supported unit.
(*) Fire delivered in support of part of a force, as opposed to general supporting fire which is delivered in support of the force as a whole. See also supporting fire.
A materiel acquisition and distribution method that requires vendor delivery directly to the customer. Also called DVD. See also distribution. (JP 4-09)
The firing of ordnance by ships or aircraft at the steering or propulsion system of a vessel. The intent is to disable with minimum injury to personnel or damage to vessel.
A person who is alienated or estranged from those in authority or lacks loyalty to the government; a state of mind.
The reduction of a military establishment to some level set by international agreement. See also arms control agreement; arms control measure.
(*) A mine for which the arming procedure has been reversed, rendering the mine inoperative. It is safe to handle and transport and can be rearmed by simple action.
United States Agency for International Development’s (USAID) Office of United States Foreign Disaster Assistance provides this rapidly deployable team in response to international disasters. A disaster assistance response team provides specialists, trained in a variety of disaster relief skills, to assist US embassies and USAID missions with the management of US Government response to disasters. Also called DART. See also foreign disaster; foreign disaster relief. (JP 3-08)
Measures taken before, during, or after hostile action or natural or manmade disasters to reduce the probability of damage, minimize its effects, and initiate recovery. See also area damage control; damage control.
(*) That part of the operating circuit of a sea mine which distinguishes between the response of the detecting circuit to the passage of a ship and the response to other disturbances (e.g., influence sweep, countermining, etc.)
A person who is not a battle casualty but who is lost to the organization by reason of disease or injury, including persons dying of disease or injury, by reason of being missing where the absence does not appear to be voluntary, or due to enemy action or being interned. Also called DNBI casualty. (JP 4-02)
See debarkation schedule.
In arms control, a general term for proposals that would result in the geographic separation of opposing nonindigenous forces without directly affecting indigenous military forces.
A broad term that includes a displaced person, an evacuee, an expellee, an internally displaced person, a migrant, a refugee, or a stateless person. Also called DC. See also displaced person; evacuee; expellee; internally displaced person; migrant; refugee; stateless person. (JP 3-57.1)
(*) In road traffic, a roadway over which full control, both as to priorities of use and the regulation of movement of traffic in time and space, is exercised. Movement authorization is required for its use, even by a single vehicle. See also route.
(*) In air armament, a container or device which is used to carry and release submunitions. See also cluster bomb unit.
Relocation of forces for the purpose of increasing survivability. See also dispersion.
An airfield, military or civil, to which aircraft might move before H-hour on either a temporary duty or permanent change of station basis and be able to conduct operations. See also airfield.
(*) A pattern for ship-to-shore movement which provides additional separation of landing craft both laterally and in depth. This pattern is used when nuclear weapon threat is a factor.
(*) A site selected to reduce concentration and vulnerability by its separation from other military targets or a recognized threat area.
(*) 1. A scattered pattern of hits around the mean point of impact of bombs and projectiles dropped or fired under identical conditions. 2. In antiaircraft gunnery, the scattering of shots in range and deflection about the mean point of explosion. 3. The spreading or separating of troops, materiel, establishments, or activities which are usually concentrated in limited areas to reduce vulnerability. 4. In chemical and biological operations, the dissemination of agents in liquid or aerosol form. 5. In airdrop operations, the scatter of personnel and/or cargo on the drop zone. 6. In naval control of shipping, the reberthing of a ship in the periphery of the port area or in the vicinity of the port for its own protection in order to minimize the risk of damage from attack. See also circular error probable; convoy dispersal point; delivery error; deviation; dispersion error; horizontal error.
(*) The distance from the point of impact or burst of a round to the mean point of impact or burst.
(*) The distribution of a series of rounds fired from one weapon or a group of weapons under conditions as nearly identical as possible; the points of burst or impact being dispersed about a point called the mean point of impact.
A civilian who is involuntarily outside the national boundaries of his or her country. See also evacuee; refugee.
In military deception, a static portrayal of an activity, force, or equipment intended to deceive the adversary’s visual observation. (JP 3-13.4)
(*) 1. Distribution of the elements of a command within an area; usually the exact location of each unit headquarters and the deployment of the forces subordinate to it. 2. A prescribed arrangement of the stations to be occupied by the several formations and single ships of a fleet, or major subdivisions of a fleet, for any purpose, such as cruising, approach, maintaining contact, or battle. 3. A prescribed arrangement of all the tactical units composing a flight or group of aircraft. See also deployment; dispersion. 4. (DOD only) The removal of a patient from a medical treatment facility by reason of return to duty, transfer to another treatment facility, death, or other termination of medical case.
(*) In surveillance, an arrangement of suitably colored irregular shapes which, when applied to the surface of an object, is intended to enhance its camouflage.
In intelligence usage, the delivery of intelligence to users in a suitable form and the application of the intelligence to appropriate missions, tasks, and functions. See also intelligence process. (JP 2-01)
1. The space between adjacent individual ships or boats measured in any direction between foremasts. 2. The space between adjacent men, animals, vehicles, or units in a formation measured from front to rear. 3. The space between known reference points or a ground observer and a target, measured in meters (artillery), in yards (naval gunfire), or in units specified by the observer. See also interval.
In amphibious operations, that sea area located to seaward of the landing area. This area is divided into a number of operating areas to which assault ships may retire and operate in the event of adverse weather or to prevent concentration of ships in the landing area. See also amphibious operation; landing area; retirement. (JP 3-02)
In amphibious operations, the area located in the vicinity of the landing area but at considerable distance seaward of it. These areas are assigned to distant support forces, such as striking forces, surface action groups, surface action units, and their logistic groups. See also amphibious operation; landing area. (JP 3-02)
(*) Fire so dispersed as to engage most effectively an area target. See also fire.
1. The arrangement of troops for any purpose, such as a battle, march, or maneuver. 2. A planned pattern of projectiles about a point. 3. A planned spread of fire to cover a desired frontage or depth. 4. An official delivery of anything, such as orders or supplies. 5. The operational process of synchronizing all elements of the logistic system to deliver the “right things” to the “right place” at the “right time” to support the geographic combatant commander. 6. The process of assigning military personnel to activities, units, or billets. (JP 4-0)
The executive agent for managing distribution with the combatant commander’s area of responsibility. See also area of responsibility; distribution. (JP 4-01.4)
Continuum or channel through which the Department of Defense conducts distribution operations. The distribution pipeline represents the end-to-end flow of resources from supplier to consumer and, in some cases, back to the supplier in retrograde activities. See also distribution; pipeline. (JP 4-01.4)
A reporting system comprising reports, updates, and information systems feeds that articulate the requirements of the theater distribution system to the strategic and operational resources assigned responsibility for support to the theater. It portrays the interface of the physical, financial, information and communications networks for gaining visibility of the theater distribution system and communicates control activities necessary for optimizing capacity of the system. It depicts, and is continually updated to reflect changes in, infrastructure, support relationships, and customer locations to all elements of the distribution system (strategic operational, and tactical). See also distribution; distribution system; theater distribution; theater distribution system. (JP 4-01.4)
(*) A point at which supplies and/or ammunition, obtained from supporting supply points by a division or other unit, are broken down for distribution to subordinate units. Distribution points usually carry no stocks; items drawn are issued completely as soon as possible.
That complex of facilities, installations, methods, and procedures designed to receive, store, maintain, distribute, and control the flow of military materiel between the point of receipt into the military system and the point of issue to using activities and units.
Controlled landing of a distressed aircraft on water.
1. The act of drawing the attention and forces of an enemy from the point of the principal operation; an attack, alarm, or feint that diverts attention. 2. A change made in a prescribed route for operational or tactical reasons. A diversion order will not constitute a change of destination. 3. A rerouting of cargo or passengers to a new transshipment point or destination or on a different mode of transportation prior to arrival at ultimate destination. 4. In naval mine warfare, a route or channel bypassing a dangerous area. A diversion may connect one channel to another or it may branch from a channel and rejoin it on the other side of the danger. See also demonstration.
(*) An airfield with at least minimum essential facilities, which may be used as an emergency airfield or when the main or redeployment airfield is not usable or as required to facilitate tactical operations. Also called divert field. See also airfield; departure airfield; main airfield; redeployment airfield.
(*) An attack wherein a force attacks, or threatens to attack, a target other than the main target for the purpose of drawing enemy defenses away from the main effort. See also demonstration.
An operation in which troops are actually landed for the purpose of diverting enemy reaction away from the main landing.
See diversion airfield.
See hyperbaric chamber.
(*) 1. A tactical unit/formation as follows: a. A major administrative and tactical unit/formation which combines in itself the necessary arms and services required for sustained combat, larger than a regiment/brigade and smaller than a corps. b. A number of naval vessels of similar type grouped together for operational and administrative command, or a tactical unit of a naval aircraft squadron, consisting of two or more sections. c. An air division is an air combat organization normally consisting of two or more wings with appropriate service units. The combat wings of an air division will normally contain similar type units. 2. An organizational part of a headquarters that handles military matters of a particular nature, such as personnel, intelligence, plans, and training, or supply and evacuation. 3. (DOD only) A number of personnel of a ship’s complement grouped together for tactical and administrative control.
Artillery that is permanently an integral part of a division. For tactical purposes, all artillery placed under the command of a division commander is considered division artillery.
A model based on known or postulated adversary doctrine. Doctrinal templates illustrate the disposition and activity of adversary forces and assets conducting a particular operation unconstrained by the effects of the battlespace. They represent the application of adversary doctrine under ideal conditions. Ideally, doctrinal templates depict the threat’s normal organization for combat, frontages, depths, boundaries and other control measures, assets available from other commands, objective depths, engagement areas, battle positions, and so forth. Doctrinal templates are usually scaled to allow ready use with geospatial products. See also doctrine. (JP 2-01.3)
Fundamental principles by which the military forces or elements thereof guide their actions in support of national objectives. It is authoritative but requires judgment in application. See also multinational doctrine; joint doctrine; multi-Service doctrine.
A Federal civilian employee of the Department of Defense directly hired and paid from appropriated or nonappropriated funds, under permanent or temporary appointment. Specifically excluded are contractors and foreign host nationals as well as third country civilians. (JP 1-03.17)
Airborne data link equipment.
See spray dome.
Air traffic within the continental United States.
Emergencies affecting the public welfare and occurring within the 50 states, District of Columbia, Commonwealth of Puerto Rico, US possessions and territories, or any political subdivision thereof, as a result of enemy attack, insurrection, civil disturbance, earthquake, fire, flood, or other public disasters or equivalent emergencies that endanger life and property or disrupt the usual process of government. The term “domestic emergencies” includes any or all of the emergency conditions defined below: a. civil defense emergency — A domestic emergency disaster situation resulting from devastation created by an enemy attack and requiring emergency operations during and following that attack. It may be proclaimed by appropriate authority in anticipation of an attack. b. civil disturbances — Riots, acts of violence, insurrections, unlawful obstructions or assemblages, or other disorders prejudicial to public law and order. The term “civil disturbance” includes all domestic conditions requiring or likely to require the use of Federal Armed Forces pursuant to the provisions of 10 USC 15. c. major disaster — Any flood, fire, hurricane, tornado, earthquake, or other catastrophe which, in the determination of the President, is or threatens to be of sufficient severity and magnitude to warrant disaster assistance by the Federal Government under Public Law 606, 91st Congress (42 USC 58) to supplement the efforts and available resources of State and local governments in alleviating the damage, hardship, or suffering caused thereby. d. natural disaster — All domestic emergencies except those created as a result of enemy attack or civil disturbance. See also civil defense emergency; civil disturbance; major disaster; natural disaster. (JP 3-26)
Intelligence relating to activities or conditions within the United States that threaten internal security and that might require the employment of troops; and intelligence relating to activities of individuals or agencies potentially or actually dangerous to the security of the Department of Defense.
The Service or multinational partner who is the principal consumer of a particular common-user logistic supply or service within a joint or multinational operation. The dominant user will normally act as the lead Service to provide this particular common-user logistic supply or service to other Service components, multinational partners, other governmental agencies, or nongovernmental agencies as directed by the combatant commander. See also common-user logistics; lead Service or agency for common-user logistics. (JP 4-07)
The concept that the Service that is the principal consumer will have the responsibility for performance of a support workload for all using Services.
(*) The phenomenon evidenced by the change in the observed frequency of a sound or radio wave caused by a time rate of change in the effective length of the path of travel between the source and the point of observation.
A radar system that differentiates between fixed and moving targets by detecting the apparent change in frequency of the reflected wave due to motion of target or the observer.
In mine warfare, the state of a mine during which a time delay feature in a mine prevents it from being actuated.
(*) A line on a map, diagram, or overlay joining all points at which the radiation dose rate at a given time is the same.
(*) The measurement of radiation doses. It applies to both the devices used (dosimeters) and to the techniques.
Agent in contact with two opposing intelligence services, only one of which is aware of the double contact or quasi-intelligence services.
(*) A route of at least two lanes allowing two columns of vehicles to proceed simultaneously, either in the same direction or in opposite directions. See also single flow route.
To determine that classified information requires, in the interests of national security, a lower degree of protection against unauthorized disclosure than currently provided, coupled with a changing of the classification designation to reflect such a lower degree.
An operation that removes airborne weapons or stores from an aircraft. (JP 3-04.1)
(*) A device for locking retractable landing gear in the down or extended position.
1. The conscription of qualified citizens in military service. 2. The depth of water that a vessel requires to float freely; the depth of a vessel from the water line to the keel. See also active duty; Military Service; watercraft. (JP 4-01.6)
(*) A plan for which a draft plan has been coordinated and agreed with the other military headquarters and is ready for coordination with the nations involved, that is those nations who would be required to take national actions to support the plan. It may be used for future planning and exercises and may form the basis for an operation order to be implemented in time of emergency. See also coordinated draft plan; final plan; initial draft plan; operation plan.
Force of aerodynamic resistance caused by the violent currents behind the shock front.
The force on an object or structure due to transient winds accompanying the passage of a blast wave. The drag pressure is the product of the dynamic pressure and the drag coefficient which is dependent upon the shape (or geometry) of the structure or object.
(*) In ballistics, a shift in projectile direction due to gyroscopic action which results from gravitational and atmospherically induced torques on the spinning projectile.
(*) The angle measured in degrees between the heading of an aircraft or ship and the track made good.
(*) An inert filled mine or mine-like body, used in loading, laying, or discharge practice and trials. See also mine.
A land, sea, or air vehicle that is remotely or automatically controlled. See also remotely piloted vehicle; unmanned aerial vehicle. (JP 4-01.5)
(*) A device to limit downward vertical motion of helicopter rotor blades upon rotor shutdown.
(*) The altitude above mean sea level at which airdrop is executed. See also altitude; drop height.
(*) The vertical distance between the drop zone and the aircraft. See also altitude; drop altitude.
1. An individual qualified to prepare, perform acceptance inspection, load, lash, and eject material for airdrop. 2. An aircrew member who, during parachute operations, will relay any required information between pilot and jumpmaster.
(*) A message dropped from an aircraft to a ground or surface unit.
(*) A specific area upon which airborne troops, equipment, or supplies are airdropped. Also called DZ.
The interception of illegal drugs being smuggled by air, sea, or land. See also counterdrug operations. (JP 3-07.4)
A shelter module that attaches to the hull of a specially configured submarine to provide the submarine with the capability to launch and recover special operations personnel, vehicles, and equipment while submerged. The dry deck shelter provides a working environment at one atmosphere for the special operations element during transit and has structural integrity to the collapse depth of the host submarine. Also called DDS. (JP 3-05.1)
As applied to the D-to-P concept, this asset requirement represents those stocks that must be physically available on D-day to meet initial allowance requirements, to fill the wartime pipeline between the producers and users (even if P-day and D-day occur simultaneously), and to provide any required D-to-P consumption or production differential stockage. The D-to-P assets required on D-day are also represented as the difference between the D-to-P materiel readiness gross requirements and the cumulative sum of all production deliveries during the D-to-P period. See also D-to-P concept.
A logistic planning concept by which the gross materiel readiness requirement in support of approved forces at planned wartime rates for conflicts of indefinite duration will be satisfied by a balanced mix of assets on hand on D-day and assets to be gained from production through P-day when the planned rate of production deliveries to the users equals the planned wartime rate of expenditure (consumption). See also D-day consumption/ production differential assets; D-day pipeline assets; D-to-P assets required on D-day; D-to-P materiel readiness gross requirement.
As applied to the D-to-P concept, the gross requirement for all supplies and materiel needed to meet all initial pipeline and anticipated expenditure (consumption) requirements between D-day and P-day. Includes initial allowances, continental United States and overseas operating and safety levels, intransit levels of supply, and the cumulative sum of all items expended (consumed) during the D-to-P period. See also D-to-P concept.
One who is simultaneously and independently employed by two or more intelligence agencies, covering targets for both.
Allied and US fighter aircraft tasked and configured to perform either conventional or theater nuclear missions. Also called DCA.
Forces capable of employing dual-capable weapons.
(*) A nuclear certified delivery unit capable of executing both conventional and nuclear missions.
(*) An assembly comprising two independent firing systems, both electric or both non-electric, so that the firing of either system will detonate all charges.
1. Weapons, weapon systems, or vehicles capable of selective equipage with different types or mixes of armament or firepower. 2. Sometimes restricted to weapons capable of handling either nuclear or non-nuclear munitions.
Weapons which possess the capability for effective application in two or more basically different military functions and/or levels of conflict.
A weapon designed for delivering effective fire against air or surface targets.
Dual-role tankers carry support personnel, supplies, and equipment for the deploying force while escorting and/or refueling combat aircraft to the area of responsibility. Dual-role tankers can minimize the total lift requirement while providing critical cargo and personnel at the combat aircraft’s time of arrival. See also air refueling. (JP 3-17)
(*) Explosive munition which has not been armed as intended or which has failed to explode after being armed. See also absolute dud; dwarf dud; flare dud; nuclear dud.
The expected percentage of failures in a given number of firings.
Quantities of materiel scheduled to be received from vendors, repair facilities, assembly operation, interdepot transfers, and other sources.
See decoy.
(*) A message sent for some purpose other than its content, which may consist of dummy groups or may have a meaningless text.
(*) In naval mine warfare, a minefield containing no live mines and presenting only a psychological threat.
Any simulated firing practice, particularly a dive bombing approach made without release of a bomb. Also called dry run.
(*) A temporary storage area, usually in the open, for bombs, ammunition, equipment, or supplies.
(*) A negative reproduced from a negative or diapositive.
See nonexpendable supplies and materiel.
whereabouts unknown — A transitory casualty status, applicable only to military personnel, that is used when the responsible commander suspects the member may be a casualty whose absence is involuntary, but does not feel sufficient evidence currently exists to make a definite determination of missing or deceased. Also called DUSTWUN. See also casualty status.
A nuclear weapon that, when launched at or emplaced on a target, fails to provide a yield within a reasonable range of that which could be anticipated with normal operation of the weapon. This constitutes a dud only in a relative sense.
The time cargo remains in a terminal’s in-transit storage area while awaiting shipment by clearance transportation. See also storage. (JP 4-01.6)


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