D

 

D                                              dental (graphics), JP 1‑02)

D&F                                           determination and finding

D/I                                            distinctive insignia

D3A                                           decide, detect, deliver, and assess (targeting methodology, FM 1‑02)

D5                                             demand‑driven direct digital dissemination

DA                                            Department of the Army; direct action (FM 1‑02); departure airfield (FM 3‑21.220)

DAACA                                       Department of the Army Allocation Committee, Ammunition

DAACCE                                     Department of the Army Alternate Command and Control Element

DAAMP                                       Department of Army Avionics Master Plan

DAAS                                         Defense Automatic Addressing System

DAB                                           Director of the Army Budget

DAC                                           Department of the Army Civilian

DACAN                                       (Military Committee) Distribution and Accounting Agency, NATO

DACC                                         Department of the Army Communications Center

DACCS                                       department of the army Command and Control System

DACG                                         departure airfield control group; departure area control group (ARTEP 7‑20‑MTP)

DACIR

DACO                                         departure airfield control officer (FM 3‑21.220, FM 90‑26)

DACOWITS                                 defense advisory committee on Women in the Services

DACRP                                       Department of the Army Communication Resources Plan

DADAC                                       department of the army Distribution/Allocation Committee

DADCMI                                      Department of the Army Policy for Disclosure of Classified Military Information to Foreign Government

DAEDARC                                    DA Equipment Data Review Committee

DAF                                           Department of the Air Force; departure airfield

DAFC                                         departure airfield control

DAFD                                         Department of the Army Forward Depot

DAFFD                                       Department of the Army Forward Floating Depot

DAFS                                         direct aerial fire support

DAG                                           division artillery group (OPFOR)

DAI                                           Director of Army Instruction

DAIP                                          Department of the Army Intelligence Plan

DAIRO                                        Department of the Army International Rationalization Office

DAIS                                          defense automatic integrated switching

DALC                                         deployment area location code

DALRLV                                      DA logistics readiness liaison visits

DALT                                         Department of the Army Liaison Team; drop altitude

DAM                                          defended area model

DAM II‑EE                                   defended area model II engagement evaluation

DAM II‑EP                                   defended area model II engagement planning

DAMA                                        Department of the Army Materiel Annex

damage assessment                     (DOD, NATO) 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, also battle damage assessment, FM 2‑0)

damage estimation                       (DOD) A preliminary appraisal of the potential effects of an attack, FM 2‑0)

DAMIS                                       Department of the Army Management Information System

DAMP/TVPB                                 Department of the Army Motion Picture/Television Production Board

DAMP/TVPP                                 Department of the Army Motion Picture/Television Production Program

DAMPL                                       Department of the Army Master Priority List

DAMPMT                                     Department of the Army Military Personnel Management Team

DAMRIP                                      Department of the Army Management Review and Improvement Program

DAMWO                                      Department of the Army modification work order

DANCE (column codeword/ designator)  [NATO] (EW) Shift all lines to COMPLAN (insert codeword)

danger area                                (DOD, NATO) 1. In air traffic control, an airspace of defined dimensions within which activities dangerous to the flight of aircraft may exist at specified times, FM 3‑52. 2 (DOD only) A specified area above, below, or within which there may be potential danger (Army) Area in the vicinity of weapons or aircraft which can cause serious injury or death if occupied or passed through by individual soldiers or other equipment, such as the backblast area behind a TOW or Dragon (FM 3‑21.20) See also restricted operations area/zone (FM 1‑02)

danger close                               (DOD) 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 (NATO) In artillery and naval fire support, a call for fire to indicate that friendly forces are within 600 meters of the target, also adjust fire; call for fire; final protective fires, FM 6‑20‑30)

DAO                                          division ammunition officer (FM 1‑02)

DAP                                           Director of Army Programs ; decontamination apparatus, portable (ARTEP 7‑91‑Drill (ARTEP 7‑91-MTP); decontaminate apparatus, portable (incorrect usage, ARTEP 7‑91‑Drill); distant aiming point (FM 3‑22.90); decontamination apparatus (incomplete; use with comma and "portable.," FM 3‑90.1)

DAR                                           data automation requirement; defense acquisition radar; Defense Acquisition Regulation; designated area of recovery (FM 7‑93 (ARTEP 7‑93‑MTP)

DARC                                         data acquisition and reports control

DARFAX                                      Department of Army Secure facsimile

DARK                                         discrimination analysis technique adapted and refined at Kwajalein

DARR                                         Department of Army Regional Representative

DARRIS                                      Department of the Army Requisitioning, Receipt, and Issue System

DARS                                         Department of the Army relocation sites

DART                                         direct advisory of recorded transactions

DAS                                           Director of the Army Staff

DASB                                         division area support battalion (FM 1‑02)

DASC                                         direct air support center

DASD                                         direct access storage device

DASEB                                       Department of the Army Suitability Evaluation Board

DASH                                         drone antisubmarine helicopter

DASH (#)                                   Aircraft position within a flight. Use if specific call sign is unknown)

DASL                                         Department of the Army Strategic Logistics

DASO                                         demonstration and shakedown operational; Department of the Army special order

DASPO                                       Department of the Army Special Photographic Office

DASSO                                       Department of the Army Systems Staff Officer

DAT                                           development acceptance test

data                                          (DOD) 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 (Army) The lowest class of information on the cognitive hierarchy. Data consist of raw signals communicated by any nodes in an information system, or sensings from the environment detected by a collector of any kind (human, mechanical, or electronic; FM 6‑0)

DATA (object, position)**             Standby for datalink message concerning object at stated location)

database                                    a collection of data organized for rapid search and retrieval)

date-time group                           (DTG) An alphanumeric designator for displaying a date-time group (DDHHMMSSZMONYY) or “O/O” for on order. The date-time group is composed of a group of six numeric digits with a time zone suffix and the standardized three-letter abbreviation for the month followed by two digits. The first pair of digits represents the day; the second pair, the hour; the third pair, the minutes. The last two digits of the year are after the month. For automated systems, two digits may be added before the time zone suffix and after the minutes to designate seconds.

 

DATI                                          Director of Army Technical Information

DATSC                                       Department of the Army Training and Support Committee

DATT                                         Defense Attaché

datum                                        (DOD, NATO) 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." See FM 3‑34.331)

datum (geodetic)                         (DOD) 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, FM 3‑25.26)

DAVIE                                        DA Vocabulary of Information Elements

DAVIS                                        Defense Automated Visual Information System, (TRADOC Pamphlet 350‑70‑2)

DAXREP                                      Department of the Army Command and Control Reporting System

day of supply                              See one day's supply (FM 1‑02)

daysight                                     simplified from "daysight tracker"

dazzle                                        (DOD) Temporary loss of vision or a temporary reduction in visual acuity; may be applied to effects on optics, also flash blindness, FM 71‑123)

DBA/M                                       data base administrator/manager

DBC                                           deputy brigade commander

DBCS                                         digital battle command system (FM 3‑90.1)

DBF                                           database file

DBK                                           data bank

DBMS                                         database management system

DBOI                                          development basis of issue

DC                                            dislocated civilian (FM 1‑02); defense counsel; Dental Corps; direct current (FM 7‑93, STP 7‑11M14‑SM‑TG; District of Columbia (FM 3‑21.220)

DCA                                           Defense Communications Agency; defensive counterair (FM 1‑02)

DCAI                                          Defense Communications Agency Instruction

DCAS                                         Defense Contract Administration Services

DCASD                                       Defense Contract Administration Services District

DCASO                                       Defense Contract Administration Services Office

DCASPRO                                    Defense Contract Administration Services Plant Representative Office

DCASQ                                       Defense Contract Administration Services Residency

DCASR                                       Defense Contract Administration Services Region

DCC                                           Defense Control Center; DISCOM control center (FM 90‑26)

DCCB                                         Defense Center Control Building

DCDP                                         defense center data processing

DCDU                                         data collection and distribution units

DCE                                           defense combat evaluation

DC‑E                                         Director of Communications‑Electronics

DCEO                                         division communications‑electronics officer

DCG                                           deputy commanding general

DCGE                                         digital command guidance electronics (FM 3‑22.1)

DCI                                           Director, Central Intelligence

DCII                                          Defense Central Index of Investigations

DCL                                           design capability line

DCM                                          deputy chief of mission (FM 1‑02)

DCMIS                                       Deputy Chief of Staff, Management Information Systems

DCNG                                         District of Columbia National Guard

DCO                                          deputy commanding officer; dial central office

DCP                                           dental continuation pay; development concept paper; Director of Civilian Personnel

DCPG                                         Defense Communications Planning Group

DCS                                           Defense Communications System; defensive counterspace (FM 1‑02)

DCSC                                         Defense Construction Supply Center

DCSCD                                       Deputy Chief of Staff for Combat Developments

DCSC‑E                                      Deputy Chief of Staff, Communications‑Electronics

DCSCOMPT                                 Deputy Chief of Staff, Comptroller

DCSFOR                                     Deputy Chief of Staff, Force Development

DCSI                                          Deputy Chief of Staff for Intelligence

DCSINT                                      Deputy Chief of Staff for Intelligence (FM 1‑02)

DCSLOG                                     Deputy Chief of Staff for Logistics

DCSO&T                                     Deputy Chief of Staff, Operations and Training

DCSOPS                                     Deputy Chief of Staff for Operations (FM 1‑02)

DCSOT                                       Deputy Chief of Staff for Operations and Intelligence

DCSPA                                       Deputy Chief of Staff, Personnel and Administration

DCSPER                                      Deputy Chief of Staff for Personnel

DCSRDA                                     Deputy Chief of Staff for Research, Development, and Acquisition

DCSRM                                       Deputy Chief of Staff for Resource Management

DCSROTC                                   Deputy Chief of Staff for Reserve Officers' Training Corps

DCSTS                                       Deputy Chief of Staff for Training and Schools

DCT                                           deflection conversion table (FM 3‑22.91)

DD                                            double double (Bailey Bridge); dishonorable discharge; driver's display (FM 3‑22.91)

DDA                                           digital drive amplifier (MSR)

D‑day                                        (DOD) The unnamed day on which a particular operation commences or is to commence, also times, FM 5-0)

DDB‑P                                        Distinguished Pistol Shot Badge

DDB‑R                                        Distinguished Rifleman Badge

DDC                                           Defense Documentation Center for Scientific and Technical Information; division data center

DDEP                                         Defense Development Exchange Program

DDL                                           digital data link

DDN                                           Defense Data Network; the primary long distance data transfer system for DoD)

DDP                                           distribution drop point

DDPS                                         discrimination data processing system

DDRE                                         Director of Defense Research and Engineering

DDS                                           Director of Dental Services

DDSM                                        Defense Distinguished Service Medal

DDUS                                         data departed United States

DE                                             directed energy (FM 1‑02)

DEA                                           Drug Enforcement Agency (FM 3‑06.11); data exchange annex

DEAC                                         Defense Economic Analysis Council

dead space                                 (DOD, NATO) 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, the characteristics of the trajectory, or the limitations of the pointing capabilities of the weapon, FM 3‑90. 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, FM 3‑21.20)

DEADEYE                                    Informative call by an airborne laser designator indicating the laser system is inoperative)

deadline                                     (DOD) 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, also full mission capable, FM 4‑30.3)

debarkation                                 (DOD) The unloading of troops, equipment, or supplies from a ship or aircraft, also embarkation, FM 100‑17‑3)

debriefing                                   (Army) The systematic questioning of individuals not in the custody of friendly forces to procure information to answer specific collection requirements by direct and indirect questioning techniques (FM 34‑52); Marine Corps) Interviewing of an individual who has completed an intelligence or reconnaissance assignment or who has knowledge, whether through observation, participation, or otherwise, of operational or intelligence significance (FM 1‑02)

DECCO                                       Defense Commercial Communications Office

DECEA                                       Defense Communications Engineering Agency

DECEO                                       Defense Communications Engineering Office

deception                                   (DOD, NATO) 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, also counterdeception; demonstration; imitative electromagnetic deception; military deception, FM 3‑13. (See Table 7‑9 for symbols.)

deception event                          (DOD) A deception means executed at a specific time and location in support of a deception operation, also deception means, FM 3‑13)

deception means                          (DOD) 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 (Examples include military operations, including exercises, reconnaissance, training activities, and movement of forces; the use of dummy equipment and devices; tactics; bases, logistic actions, stockpiles, and repair activity; and test and evaluation activities);

b. Technical Means. Military materiel resources and their associated operating techniques used to convey or deny selected information to a foreign power through the deliberate radiation, re‑radiation, alteration, absorption, or reflection of energy; the emission or suppression of chemical or biological odors; and the emission or suppression of nuclear particles;

c. Administrative Means. Resources, methods, and techniques to convey or deny oral, pictorial, documentary, or other physical evidence to a foreign power, FM 3‑13.

(FM 1‑02 [FM 5-0‑1])

deception objective                      (DOD) 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, FM 3‑13)

deception story                           (DOD) A scenario that outlines the friendly action that will be portrayed to cause the deception target to adopt the desired perception, FM 3‑13)

deception target                          (DOD) The adversary decisionmaker with the authority to make the decision that will achieve the deception objective, FM 3‑13)

deception working group                A group tailored to bring together the special technical skills required to conduct a specific military deception operation (FM 3‑13)

decision point                              (DOD) 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 (Army/Marine Corps) An event, area, or point in the battlespace where and when the friendly commander will make a critical decision (FM 5-0) Also called DP, also decision support matrix; decision support template; wargaming. (See Table 7‑13 for symbol)

decision support matrix                 An aid used by the commander and staff to make battlefield decisions. It is a staff product of the wargaming process, which lists the decision point, location of the decision point, the criteria to be evaluated at the point of decision, the action or operations to occur at the decision point, and the unit or element that is to act and has responsibility to observe and report the information affecting the criteria for the decision. Also called DSM, also branch; decision point; decision support template; sequel; wargaming (FM 5-0)

decision support template              (DOD) A graphic record of wargaming. The decision support template depicts decision points, timelines associated with the movement of forces and the flow of the operation, and other key items of information required to execute a specific friendly course of action (Marine Corps) A staff product initially used in the wargaming process which graphically represents the decision points and projected situations and indicates when, where, and under what conditions a decision is most likely to be required to initiate a specific activity (such as a branch or sequel) or event (such as lifting or shifting of fires) Also called DST, also decision point; decision support matrix; intelligence preparation of the battlefield; wargaming, FM 5-0)

decisionmaking                            Selecting a course of action as the one most favorable to accomplish the mission (FM 6‑0)

decisive engagement                    (DOD) 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, FM 3‑90)

decisive operation                        The operation that directly accomplishes the task assigned by the higher headquarters. Decisive operations conclusively determine the outcome of major operations, battles, and engagements (FM 3‑0)

decisive point                              (DOD) A geographic place, specific key event, critical system or function that allows commanders to gain a marked advantage over an enemy and greatly influence the outcome of an attack, also centers of gravity, FM 3‑0)

decisive terrain                            Key terrain whose seizure and retention is mandatory for successful mission accomplishment, also key terrain (FM 3‑90)

DECLARE                                    Inquiry as to the identification of a specified track(s), target(s), or correlated group)

declination                                  (DOD, NATO) The angular distance 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 (Army) In navigation, at a given place and time, the angle between the grid north meridian and the true north meridian or magnetic north meridian measured in degrees or mils east or west. These change in relationship to the magnetic north meridian annually based on the drift of the magnetic pole, also magnetic declination; magnetic variation (FM 3‑25.26)

decon                                        decontaminat[e/ion] (use abbreviations only in graphics)

deconflict                                   To reconcile or resolve a conflict in responsibility, area of operations, airspace, or interests in order to accomplish smooth operations without undesired redundancy or threat of fratricide (FM 5-0)

decontaminant                            Any substance used to break down, neutralize, or remove a chemical, biological, or radioactive material posing a threat to personnel or equipment (FM 3‑5)

decontamination                          (DOD, NATO) 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, FM 3‑5. (See Table 7‑16 for symbol)

decoy                                        (DOD) 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, FM 20‑3. (See Table 7‑9 for symbol)

decrement                                  a gradual decrease in quality or quantity; or the amount of decrease (FM 3‑22.91)

DED                                           detailed equipment decontamination (FM 3‑90.1)

DEDS                                         digital error detection subsystem

deep area                                   An area forward of the close area that commanders use to shape enemy forces before they are encountered or engaged in the close area. Typically, the deep area extends from the forward boundary of subordinate units to the forward boundary of the controlling echelon (FM 3‑0)

deep operations                           (See FM 3‑92 [100‑15])

deep supporting fire                      (NATO) Fire directed on objectives, not in the immediate vicinity of friendly forces, for neutralizing and destroying enemy reserves and weapons, and interfering with enemy command, supply, communications, and observations, FM 6‑20‑30)

DEEP**                                      Descriptive term used to indicate separation between the nearest and farthest groups in range in a relative formation of three or more groups, used to describe a LADDER, VIC, CHAMPAGNE, BOX)

def                                            defend; defended; defense; defensive (use abbreviations only in graphics)

DEFCON                                     defense readiness condition (FM 1‑02)

defeat                                       A tactical mission task that occurs when an enemy force has temporarily or permanently lost the physical means or the will to fight. The defeated force's commander is unwilling or unable to pursue his adopted course of action, thereby yielding to the friendly commander's will, and can no longer interfere to a significant degree with the actions of friendly forces. Defeat can result from the use of force or the threat of its use, also decisive point (FM 3‑90)

defeat in detail                            Concentrating overwhelming combat power against separate parts of a force in sequence rather than defeating the entire force at once (FM 3‑90)

DEFENDING (direction)                  Aircraft is in a defensive position and maneuvering with reference to a surface‑to‑air threat)

defense in depth                          (DOD, NATO) 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, FM 3‑90 (Army) In information operations, the integration of the capabilities of people, operations, and technology to establish multilayered, multidimensional protection (FM 3‑13)

defensive counterair                     (DOD) 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, also counterair; offensive counterair, FM 44‑100)

defensive counterspace                Operations conducted to defend against attacks by systems operating in space. Also called DCS (FM 44‑100)

defensive information operations     (DOD) The integration and coordination of policies and procedures, operations, personnel, and technology to protect and defend information and information systems. Defensive information operations are conducted through information assurance, physical security, operations security, counterdeception, counter‑psychological operations, counterintelligence, electronic warfare, and special information operations. [Note: the Army definition does not include the previous sentence.] Defensive information operations ensure timely, accurate, and relevant information access while denying adversaries the opportunity to exploit friendly information and information systems for their own purposes, FM 3‑0)

defensive operations                     (Army) Operations that defeat an enemy attack, buy time, economize forces, or develop conditions favorable for offensive operations. Defensive operations alone normally cannot achieve a decision. Their purpose is to create conditions for a counteroffensive that allows Army forces to regain the initiative (FM 3‑0; Marine Corps) Operations conducted with the immediate purpose of causing an enemy attack to fail. Defensive operations also may achieve one or more of the following: gain time; concentrate forces elsewhere; wear down enemy forces as a prelude to offensive operations; and retain tactical, strategic, or political objectives, also area defense; mobile defense (FM 1‑02)

DEFENSIVE*                                Aircraft is under attack, maneuvering defensively, and unable to ensure deconfliction or mutual support)

defilade                                      (DOD, NATO) 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, FM 3‑21.20)

defilade fire                                 (Army) Fire delivered at a rate intentionally less than sustained to permit adjustment corrections, meet specific tactical requirements, or conserve ammunition (Marine Corps) Fire delivered on a target in such a manner that the range pattern of the fall of shot generally aligns with the short axis of the target, also enfilade fire; sustained rate of fire (FM 1‑02)

defile                                         1. A narrow gorge or pass that tends to prevent easy movement of troops (FM 3‑21.10) 2. A special movement circulation control measure. A defile operation is conducted to keep traffic moving smoothly through a narrow passageway (FM 3‑19.4); shorter definition: a narrow passage through which troops can march only in a file

DEFK                                         deflection correction (FM 3‑22.91)

DEFLOWH                                   Defense Liaison Officer to the White House

DEFREPNAMA                               Defense Representative, North Atlantic Mediterranean Area

deg                                           degrees (FM 3‑22.27 (23‑27; use abbreviations only in graphics)

degauss                                     (transitive verb, de‑ + gauss, after Karl F. Gauss, circa 1940) : to remove or neutralize the magnetic field of <degauss a ship<degauss a magnetic tape‑ de·gauss·er noun

DEGOGGLE**                               Directive call to put on/take off NVDs)

degrade                                     In information operations, using nonlethal or temporary means to reduce the effectiveness or efficiency of adversary command and control systems and information collection efforts or means (FM 3‑13)

degree of risk                              (DOD) As specified by the commander, the risk to which friendly forces may be subjected from the effects of the detonation of a nuclear weapons used in the attack of a close‑in enemy target; acceptable degrees of risk under differing tactical conditions are emergency, moderate, and negligible, also emergency risk (nuclear); moderate risk (nuclear); negligible risk (nuclear); radiation status, FM 3‑11.4)

DEH                                           Directorate of Engineering and Housing

deice, deicer                               not "de‑ice" or "de‑icer" (MW10)

delay                                         A form of retrograde in which a force under pressure trades space for time by slowing the enemy's momentum and inflicting maximum damage on the enemy without, in principle, becoming decisively engaged (FM 3‑90; see Table A‑1 for symbol)

delay line                                    A phase line where the date and time before which the enemy is not allowed to cross the phase line is depicted as part of the graphic control measure (FM 3‑90)

delaying operation (DOD, NATO)     See delay (FM 1‑02)

delegation of authority                  (DOD) The action by which a commander assigns part of his or her authority commensurate with the assigned task to a subordinate commander. While ultimately 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 (NATO) An action by which a commander assigns to a subordinate commander a clearly stated part of his authority, also command, FM 6‑0)

deliberate attack                         (DOD, NATO) A type of offensive action characterized by preplanned coordinated employment of firepower and maneuver to close with and destroy or capture the enemy, also attack; deliberate operation, FM 3‑0)

deliberate crossing                       (DOD, NATO) The crossing of an inland water obstacle that requires extensive planning and detailed preparations, also bridgehead; bridgehead line; hasty crossing; river crossing, FM 90‑13)

deliberate defense                        (DOD, NATO) 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, also defense in depth; deliberate operation; forward defense; hasty defense, FM 3‑21.20)

deliberate operation                      An operation in which a commander's detailed intelligence concerning the situation allows him to develop and coordinate detailed plans, including multiple branches and sequels. He task organizes his forces specifically for the operation to provide a fully synchronized combined arms team. He conducts extensive rehearsals while conducting extensive shaping operations to set the conditions for the conduct of his decisive operation (FM 3‑90)

deliberate planning                       (DOD) 1. The Joint Operation Planning and Execution System process involving the development of joint operation plans for contingencies identified in joint strategic planning documents. Conducted principally in peacetime, 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, also contingency; fragmentary order; Joint Operation Planning and Execution System; warning order, FM 5-0)

deliberate smoke                          Smoke operations conducted with detailed planning and executed by either on‑hand smoke assets or with those on‑hand augmented by corps and theater assets. Deliberate smoke operations normally are synchronized with specific time, events, or locations on the battlefield. Deliberate smoke operations normally include multiple preplanned smoke operations. They cover large areas over long periods to support the operations of brigades, divisions, and corps (FM 3‑50, FM 1‑02)

DELOUSE**                                Directive call to detect, identify, and engage (if required) unknown aircraft trailing friendly aircraft)

DELTA (insert altitude; insert position)  (AIR‑MAR) Hold and conserve fuel at altitude and position indicated during shipboard operations)

demil                                         demilitarize (use abbreviations only in graphics)

demilitarized zone                         (DOD, NATO) 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. Also called DMZ, also area of separation; buffer zone, FM 3‑07)

demining                                     Activities to remove the hazard of all mines and other unexploded explosive munitions from a defined area (FM 20‑32)

demo                                         demolitions (FM 1‑02)

demobilization                              (DOD) 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 (Army) The act of returning the force and materiel to a premobilization posture or to some other approved position. It also involves returning the mobilized portion of the industrial base to peacetime conditions, also mobilization (FM 100‑17)

DEMOD                                       deployment model

demolition                                   (NATO) The destruction of structures, facilities, or material by use of fire, water, explosives, mechanical, or other means, FM 5‑250)

demolition chamber                       (DOD, NATO) Space intentionally provided in a structure for the emplacement of explosive charges, FM 5‑250)

demolition firing party                   (DOD) The party at the site that is technically responsible for the demolition and that actually initiates detonation or fires the demolitions, also demolition guard; state of readiness, FM 5‑250)

demolition guard                          (DOD, NATO) 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, also demolition firing party, FM 5‑250)

demolition kit                               (DOD, NATO) The demolition tool kit complete with explosives, FM 5‑250)

demolition obstacle                       An obstacle created by using explosives (FM 5‑250)

demolition plan                            Documentation with data required for the preparation of a single demolition (FM 5‑250)

demolition target                          (DOD, NATO) A target of known military interest identified for possible future demolition (FM 5‑250)

demonstration                             (DOD, NATO) 1. An attack or show of force on a front where a decision is not sought, made with the aim of deceiving the enemy. 2 (DOD only) In military deception, a show of force in an area where a decision is not sought; made to deceive an adversary. It is similar to a feint but no actual contact with the adversary is intended (Army) 1. A form of attack designed to deceive the enemy as to the location or time of the decisive operation by a display of force. Forces conducting a demonstration do not seek contact with the enemy (FM 3‑0) 2. In stability operations and support operations, an operation by military forces in sight of an actual or potential adversary to show military capabilities (FM 3‑07) See also deception; diversion; show of force. (See Table 9‑3 for symbol)

denial measure                            (DOD, NATO) 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. [Note: the Army uses the term "denial operation."] (FM 1‑02)

denial operation                           Action to hinder or deny the enemy the use of space, personnel, supplies, and facilities (FM 3‑90)

denied area                                 (DOD) An area under enemy or unfriendly control in which friendly forces cannot expect to operate successfully within existing operational constraints and force capabilities (Army) An area that is operationally unsuitable for general purpose forces due to political, tactical, environmental, or geographical reasons. It is a primary area for special operations forces (FM 3‑05)

DENTAC                                     dental activity

deny                                          (Army) In information operations, entails withholding information about Army force capabilities and intentions that adversaries need for effective and timely decisionmaking (FM 3‑13; Marine Corps) To hinder or prevent the enemy from using terrain, space, personnel, supplies, or facilities, also denial measure (FM 1‑02)

dep                                           depot (use abbreviations only in graphics)

DEP                                           delayed entry program

DEPACTV                                    depot activity

departure airfield                          (DOD) An airfield on which troops and/or materiel are enplaned for flight, also aerial port of debarkation; aerial port of embarkation, FM 55‑1)

departure point                            (DOD, NATO) 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 (Army) That point, assembly area, airfield, or other location from which an aircraft begins an aeronautical mission, also air control point; air corridor; pickup zone (FM 3‑04.111)

DEPEX                                        deployment exercise

deploy                                       deployment (FM 3‑90.2); use abbreviations only in graphics)

DEPLOY                                      Directive call for the element to maneuver to briefed position)

deployment                                 (DOD, NATO) 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 intracontinental United States, intertheater, and intratheater movement legs, staging, and holding areas. [Note: the NATO definition does not include the second sentence.] (Army) Those activities required to prepare and move a force and its sustainment equipment and supplies to the area of operations in response to a crisis or natural disaster, also force projection (FM 100‑17)

depot                                        (DOD) 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. [Note: Army definition does not include personnel activities.] See also classes of supply; combat service support, FM 10‑1)

DEPREP                                      deployment reporting system

depression angle                          See angle of depression (FM 1‑02)

DEPSECDEF                                 Deputy Secretary of Defense

DEPSTAR                                    deployment status of Army units

dept                                          department (use abbreviations only in graphics)

DEPTAR/MAIN                              Department of the Army/Main

depth                                        The extension of operations in time, space, and resources (FM 3‑0)

DEROS                                       date eligible for return from overseas

DES                                           data‑encryption standard

DESC                                         Defense Electronics Supply Center

DESCOM                                     (US) Army Depot System Command

describe                                     To relate operations to time and space in terms of accomplishing the purpose of the overall mission (FM 6‑0)

description of target                     (NATO) In artillery and naval fire support, an element in the call for fire in which the observer or spotter describes the installation, personnel, equipment, or activity to be taken under fire. [Note: the Army definition also applies to mortar fire.] Also called target description, FM 6‑30)

desired ground zero                      (DOD, NATO) The point on the surface of the Earth at, or vertically below or above, the center of a planned nuclear detonation. Also called DGZ, also ground zero, FM 100‑30)

desired perception                        (DOD) In military deception, what the deception target must believe for it to make the decision that will achieve the deception objective, FM 3‑13)

DESPORT                                    daily equipment status report

dest                                          destination; destroy (use abbreviations only in graphics)

destroy                                      1. A tactical mission task that physically renders an enemy force combat‑ineffective until it is reconstituted. 2. To damage a combat system so badly that it cannot perform any function or be restored to a usable condition without being entirely rebuilt (FM 3‑90; see Table A‑1 for symbol)

destruction                                 (DOD) A type of adjustment for destroying a given target (Army) 1. When referring to the effects of field artillery fires, a target out of action permanently, or 30 percent casualties or material damage (FM 6‑20) 2. When used in an attack helicopter mission, the percentage of destroyed or disabled vehicles must be specified by the higher commander (FM 1‑112)

destruction fire                            (DOD) Fire delivered for the sole purpose of destroying material objects, also destroy; fire support, FM 6‑30)

destruction radius                        (DOD, NATO) 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, FM 20‑32)

det                                            detachment (FM 1‑02, FM 5-0‑1); use abbreviations only in graphics)

DET                                           displaced equipment training

det cord                                     detonation cord (FM 1‑02, FM 5-0‑1); use abbreviations only in graphics)

detachment                                (DOD, NATO) 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 (Army) The basic organizational unit of the US Army Special Forces. Also called DET, also assign; attach; command relationship; operational control (FM 3‑05.20; see Table 5‑6 for symbol)

detachment left in contact            An element left in contact as part of the previously designated (usually rear) security force while the main body conducts its withdrawal. Also called DLIC, also breakout; retrograde (FM 3‑90)

detailed equipment decontamination     In thorough decontamination, removing, neutralizing, or reducing contamination on interior and exterior surfaces of unit equipment to negligible risk levels to allow the removal of mission‑oriented protective posture (MOPP) gear or education in MOPP level for extended periods (FM 3‑5)

detailed troop decontamination       In thorough decontamination, reducing mission‑oriented protective posture (MOPP) levels for extended periods by decontaminating individual fighting equipment to negligible risk levels, removing contaminated MOPP gear including protective masks, decontaminating protective masks, and monitoring personnel and equipment for effectiveness of decontamination (FM 3‑5)

DETAILS**                                 Request for modified J‑FIRE 9‑line brief from Joint Surveillance Target Attack Radar System (Joint STARS)

detained                                     (DOD) A casualty who is prevented from proceeding or is restrained in custody for alleged violation of international law or other reason claimed by the government or group under which the person is being held, also missing, FM 4‑02)

detainee                                     (DOD) A term used to refer to any person captured or otherwise detained by an armed force (Army) An individual who is captured by or placed in the custody of a duly constituted governmental organization for a period of time, also missing (FM 34‑52, FM 1‑02)

deterrence                                  (DOD) 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, FM 1)

deton                                        detonation (FM 3‑21.8 (use abbreviations only in graphics)

detonating cord                           (DOD, NATO) A waterproof, flexible fabric tube containing a high explosive designed to transmit the detonation wave, also demolition, FM 5‑250)

detonator                                   (DOD, NATO) A device containing a sensitive explosive intended to produce a detonation wave, FM 5‑250)

DEUCE                                       deployable universal combat earthmover (FM 3‑21.10)

dev                                           development (FM 7‑1 (25‑101); use abbreviations only in graphics)

DEVA                                         development acceptance

DEW                                          directed‑energy warfare (FM 1‑02); distant early warning

dew point spread                         The degree of difference between the air temperature and the dew point that indicates if fog will begin to form (FM 3‑04.111)

DEWS                                        directed‑energy weapon system (FM 3‑21.20)

DEWTZ                                      distant early‑warning identification zone

DF                                             direction finding (FM 1‑02); defensive fire; disposition form; deflection (FM 3‑22.91)

DFARS                                       DoD Federal Acquisition Regulation Supplement

DFC                                           Distinguished Flying Cross

DFE                                           Directorate of Facilities Engineering; division force equivalents

DFH                                           defense family housing

DFM                                          Director, Food Management

DFMO                                        Doppler filter mixer‑oscillator

DFR                                           dropped from rolls

DFRIF                                        Defense Freight Railway Interchange Fleet

DFSC                                         Defense Fuel Supply Center

DFSCOORD                                  deputy fire support coordinator (FM 1‑02)

DFSR                                         detailed functional system requirement

DGM                                          Defense Guidance Memorandum

DGSC                                         Defense General Supply Center

DGZ                                           desired ground zero (FM 1‑02)

DH                                            decision height

DH/DR                                        change in (decision) height for a 100‑meter change in (decision) range (FM 3‑22.1)

DHA                                           dependent housing area

DHEW                                        Department of Health, Education, and Welfare

DHS                                           Director of Health Services

DIA                                           Defense Intelligence Agency (FM 1‑02)

DIALS                                        Defense Information Automated Locator System

DIAM                                         Defense Intelligence Agency Manual

diameter‑to‑length ratio                (for spelling or hyphenation only)

diamond formation                        A tactical or movement formation that is a variation of the box formation with one maneuver unit leading, maneuver units positioned on each flank, and the remaining maneuver unit to the rear, also box formation; formation (FM 3‑90)

DIAMONDS (w/position)**             An IR event location)

DIC                                           dependency and indemnity compensation; document identifier code

DICOMSS                                    Direct Commissary Support System

DID                                           defense in depth (FM 1‑02); data item description

DIDS                                          Defense Integrated Data Systems

DIDS‑CD                                     Decision Information Distribution System‑Civil Defense

DIECO                                        Defense Item Entry Control Office

DIECP                                        Defense Item Entry Control Program

died of wounds                            A hostile or battle casualty who dies after having reached a medical treatment facility. Also called DOW, also hostile casualty; killed in action (FM 8‑55)

died of wounds received
in action
(DOD) 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, FM 8‑55)

DIEQP                                        Defense Intelligence Equipment Index

digital format                               Data that is represented by a pattern of discrete fixed values. This information is stored as a series of "1's" and "0's." Hard drives, CD‑ROMs, and the Internet store data in a digital format, (TRADOC Pam 350‑70‑2)

DIMES                                        Defense Integrated Management Engineering Systems

DIMHRS                                      Defense Integrated Military Human Resource System (FM 1‑02)

DIMM                                         dual in‑line module memory

DINFOS                                      Defense Information School

DIO                                           Director of Industrial Operations

DIP                                            display information processor

DIPR                                          Departmental Industrial Plant Reserve

dir                                             direct; directed; direction; director (use abbreviations only in graphics)

direct                                        To communicate execution information (FM 6‑0)

direct action                               (DOD) Short‑duration strikes and other small‑scale offensive actions by special operations forces or special operations‑capable units to seize, destroy, capture, recover, or inflict damage on designated personnel or materiel. In the conduct of these operations, special operations forces or special operations‑capable units may employ raid, ambush, or direct assault tactics; emplace mines and other munitions; conduct standoff attacks by fire from air, ground, or maritime platforms; provide terminal guidance for precision‑guided munitions; conduct independent sabotage; and conduct anti‑ship operations. Also called DA, also special operations; special operations forces, FM 3‑05)

direct action mission                     In special operations, a specified act involving operations of an overt, clandestine, or low‑visibility nature conducted primarily by special operations forces in hostile or denied areas, also direct action (FM 3‑05)

direct approach                           To apply combat power directly against the enemy center of gravity or the enemy's principal strength (FM 3‑0)

direct exchange                           (DOD) A supply method of issuing serviceable materiel in exchange for unserviceable materiel on an item‑for‑item basis. Also called DX, FM 10‑1)

direct fire                                   (DOD) Gunfire delivered on a target, using the target itself as a point of aim for either the gun or the director. [Note: the Army definition includes missile and rocket fire.] See FM 3‑21.20)

direct laying                                (DOD) Laying in which the sights of weapons are aligned directly on the target. Normally used in conjunction with mortars and sometimes artillery, also lay, FM 6‑20‑10)

direct pressure force                    A force employed in a pursuit operation that orients on the enemy main body to prevent enemy disengagement or defensive reconstitution prior to envelopment by the encircling force. It normally conducts a series of hasty attacks to slow the enemy's retirement by forcing him to stand and fight, also encircling force (FM 3‑90)

direct support                             (DOD) A mission requiring a force to support another specific force and authorizing it to answer directly the supported force's request for assistance. [Note: Army designates this as a "support relationship" instead of "mission."] (NATO) 1. The support provided by a unit or formation not attached to, nor under command of, the supported unit or formation, but required to give priority to the support required by that unit or formation. 2. In maritime usage, operations related to the protection of a specific force by other units, normally under the tactical control of that force. Also called DS, FM 5-0)

direct support artillery                   (DOD, NATO) Artillery whose primary task is to provide fire requested by the supported unit, also general support, FM 6‑30)

direct support unit                       Unit providing supply and maintenance support directly to a using or consuming unit. Also called DSU (FM 4‑0)

directed obstacle                         An obstacle directed by a higher commander as a specified task to a subordinate unit (FM 3‑34.2)

directed target                            A target directed by the responsible commander to be prepared for demolition or destroyed to support his intent (FM 3‑34)

directed telescope                       A dedicated information collector—a trusted and like‑minded subordinate—used to observe selected events or units and report directly to the commander (FM 6‑0)

direction finding                           (DOD; DF) 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 (Army) The procedures to determine a line of bearing to a communications, radar, or other electromagnetic emitter (FM 1‑02)

direction of attack                       (DOD) 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 (Army) A specific direction or assigned route a force uses and does not deviate from when attacking, also axis of advance (FM 3‑90; see Table 7‑10 for symbol)

direction of fire                            The direction on which a cannon, rocket, gun, or missile is laid. It represents the direction to the most significant threat in the target area (FM 6‑20‑10)

DIRFM                                        director, field maintenance

DIRLAUTH                                   direct liaison authorized

DIRNSA                                      Director, National Security Agency

DIROCD                                      Director, Office of Civil Defense

DIRPA                                        Director of Personnel and Administration

DIRSP                                        Dynamic Infrared Scene Projector

DIRTY                                        Link is not encrypted)

dis                                            distance (ARTEP 7‑91‑MTP (use abbreviations only in graphics)

DIS                                           Defense Investigative Service

disarmed mine                             (DOD) 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 (NATO) A previously armed mine which has been returned to a safe state, FM 20‑32)

disc                                           discontinue (use abbreviations only in graphics)

DISC                                          Defense Industrial Supply Center; delay in separation code

discharge                                   The accidental or intentional spilling, leaking, pumping, pouring, emitting, emptying, or dumping of a substance into or on any land or water (FM 3‑100.4)

DISCO                                        Defense Industrial Security Clearance Office

DISCOM                                     division support command (FM 1‑02)

DISE                                          division intelligence support element (FM 1‑02)

disease and nonbattle injury casualty   (DOD) 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, FM 4‑02.17)

disengage                                   A tactical mission task where a commander has his unit break contact with the enemy to allow the conduct of another mission or to avoid decisive engagement (FM 3‑90)

disengagement                            (DOD) 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, FM 3‑07)

disengagement line                       A phase line located on identifiable terrain that, when crossed by the enemy, signals to defending elements that it is time to displace to their next position (FM 3‑90)

disinformation                              Information disseminated primarily by intelligence organizations or other covert agencies designed to distort information or deceive or influence US decisionmakers, US forces, coalition allies, key actors, or individuals via indirect or unconventional means (FM 3‑13)

dislocated civilian                         (DOD) A broad term that includes a displaced person, an evacuee, an expellee, an internally displaced person, a migrant, refugee, or a stateless person (Army) A generic term that describes a civilian who has been forced to move by war, revolution, or natural or man‑made disaster from his or her home to some other location. Dislocated citizens include displaced persons, refugees, evacuees, stateless persons, and war victims. Legal and political considerations define the subcategories of a dislocated civilian. Also called DC, also displaced person; refugee (FM 3‑07)

dismounted marches                     Movements of troops and equipment mainly by foot, with limited support by vehicles. Also called foot marches (FM 3‑90)

dismt                                         dismount (ARTEP 7‑91‑Drill); dismounted (FM 7‑1, ARTEP 7‑91‑Drill (ARTEP 7‑91‑MTP, ARTEP 7‑92‑MTP (use abbreviations only in graphics)

DISN                                          Defense Information Systems Network (FM 1‑02)

disorient                                     Displace from normal position or relationship. Lose a sense of time, place, or identity, See also misorient)

DISP                                          DoD Industrial Security Program

dispersion                                   (DOD, NATO) 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, FM 44‑100. 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, FM 3‑7. 5. In airdrop operations, the scatter of personnel and/or cargo on the drop zone, FM 90‑26)

displace                                     To leave one position and take another. Forces may be displaced laterally to concentrate combat power in threatened areas, also delay (FM 6‑20‑10)

displaced person                          (DOD) A civilian who is involuntarily outside the national boundaries of his or her country. [Note: the Army definition adds: "or as an internally displaced person is a civilian involuntarily outside his area or region within his country."] See also dislocated civilian; refugee, FM 2‑0)

display                                       (DOD) In military deception, a static portrayal of an activity, force, or equipment intended to deceive the adversary's visual observation, FM 3‑13 (Army) An information management activity: to represent relevant information in a usable, easily understood audio or visual form tailored to the needs of the user that conveys the common operational picture for decisionmaking and exercising command and control functions (FM 6‑0, FM 1‑02)

disposal (waste)                          The discharge, deposit, injection, dumping, spilling, leaking, or placing of any solid waste or hazardous waste into or on any land or water. The act is such that the solid waste or hazardous waste, or any constituent thereof, may enter the environment or be emitted into the air or discharged into any waters, including ground water (FM 3‑100.4)

disposition                                  (DOD, NATO) 1. Distribution of the elements of a command within an area, usually the exact location of each unit headquarters and the deployment of forces subordinate to it, FM 6‑0. 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 a group of aircraft, FM 3‑04.111. 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, also deployment; dispersion, FM 8‑55)

disregard this transmission‑out       A procedure word meaning, "This transmission is in error. Disregard it." (This procedure word shall not be used to cancel any message that has been completely transmitted and for which receipt or acknowledgment has been received.; FM 24‑19)

DISREP                                       discrepancy in shipment report

disrupt                                       1. A tactical mission task in which a commander integrates direct and indirect fires, terrain, and obstacles to upset an enemy's formation or tempo, interrupt his timetable, or cause his forces to commit prematurely or attack in piecemeal fashion (FM 3‑90) 2. An engineer obstacle effect that focuses fire planning and obstacle effort to cause the enemy to break up his formation and tempo, interrupt his timetable, commit breaching assets prematurely, and attack in a piecemeal effort (FM 90‑7) 3. In information operations, breaking and interrupting the flow of information between selected command and control nodes (FM 3‑13; see Table 7‑14 and Table A‑1 for symbol)

disseminate                                 An information management activity: to communicate relevant information of any kind from one person or place to another in a usable form by any means to improve understanding or to initiate or govern action (FM 6‑0)

dist                                           district (use abbreviations only in graphics)

DISTENGR                                   district engineer

DISTO                                        Defense Industrial Security Education and Training Office

DISTRA                                      distribution authority

distribution                                 (DOD) 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, FM 100‑10‑1)

distribution manager                     (DOD) The executive agent for managing distribution with the combatant commander's area of responsibility, also area of responsibility; distribution, FM 100‑10‑1)

distribution pipeline                       (DOD) 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, FM 100‑10‑1)

distribution plan                           (DOD) A reporting system comprising reports, updates and information system 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), also distribution; distribution system; theater distribution; theater distribution system, FM 100‑10‑1)

distribution point                          (DOD, NATO) 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, FM 10‑1)

distribution system                       (DOD) 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, FM 100‑10‑1)

distro                                         (originally "distr"‑‑evolved naturally to this spelling because this is how it is commonly pronounced) distribute; distribution (use abbreviations only in graphics)

DISUM                                       daily intelligence summary (FM 1‑02)

DITDS                                        Defense Intelligence Threat Data System. A message‑handling system with specialized software tools designed to support and facilitate the unique data handling requirements of the intelligence community. These tools allow the operator to receive incoming message traffic and create, manage, and manipulate databases. DIA is the proponent agency for DITDS. A number of government and military organizations use DITDS‑format systems under different names. Other names for DITDS include—

Naval Intelligence Threat Evaluation System (NITES) used by the US Navy.

Special Operations Intelligence System (SOIS) used by Joint Special Operations Command (JSOC)

USAREUR Defense Intelligence Threat Data System (UDITDS)

US Southern Command (SOUTHCOM) Information Management System (SIMS)

National Center for the Analysis of Violent Crimes Computer Assisted Security Investigative Analysis Tool (CASIAT) of the Federal Bureau of Investigation (FBI)

US Special Operations Command (SOCOM) Command Research and Threat Evaluation System (SOCRATES)

Expert Analysis System for Intelligence (EASI) used by Special Operations Intelligence Command (SOIC)

DITIS                                         Defense Instructional Technology Information System, (TRADOC Pamphlet 350‑70‑2)

DITS                                          Deployable Instrumented Training System

div                                            division (FM 1‑02, FM 5-0‑1); use abbreviations only in graphics)

DIVAD                                        division air defense

DIVARTY                                    division artillery (FM 1‑02, FM 7‑0, FM 7‑1)

DIVENG                                      division engineer (FM 1‑02)

DIVENGR                                     Division Engineer

diversion                                    (DOD) 1. The act of drawing the attention of 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, FM 4‑01.30. 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, also deception; demonstration (FM 1‑02)

DIVERT                                      Proceed to alternate base/*mission)

division                                      (DOD, NATO) 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. A number of personnel of a ship's complement grouped together for tactical and administrative control (Army) The largest fixed organization in the Army that trains and fights as a tactical team and is organized with varying numbers and types of combat, combat support, and combat service support units. Also called div (FM 3‑90; see Table 5‑6 for symbol)

division support area                     (DSA) An area normally located in the division rear and often positioned near air‑landing facilities along the main supply route. The division support area contains the portions of the division rear command post, division support command (DISCOM) command post, and units organic and attached to the DISCOM. It may also contain the corps support command units supporting the division and nondivisional units in the division area. Also called DSA (FM 63‑2; see Table 7‑17 for symbol)

DJS                                           Director, Joint Staff

DJSM                                         Director, Joint Staff Memorandum

DJUOL                                        daily JUMPS update output listing

DKIE                                          decontamination kit individual equipment (FM 3‑23.25)

DL                                             data link; deadline; document log; distributed learning; distance learning, (TRADOC Pamphlet 350‑70‑2)

DLA                                           Defense Logistics Agency

DLAR                                         Defense Logistics Agency regulation

DLAT                                         Defense Language Aptitude Test

DLCC                                         Division Logistics Control Center

DLIC                                          detachment left in contact (FM 1‑02)

DLIEL                                         Defense Language Institute, English Language Center

DLIFLC                                       Defense Language Institute, Foreign Language Center

DLOC                                         Division Logistical Operation Center

DLOGS                                       Division Logistics system

DLP                                           Defense Language Program

DLPT                                         Defense Language Proficiency Test

DLS                                           distance learning sites, (TRADOC Pamphlet 350‑70‑2)

DLSC                                         Defense Logistics Services Center

DLST                                         Division Logistics System Test

DLT                                           decision logic table

DM                                            destroyer minelayer; draft manual; vomiting gas (FM 3‑23.30); designated marksman

DMA                                          Defense Mapping Agency; Director of Military Assistance

DMAAC                                       Defense Mapping Agency Aerospace Center

DMAHC                                       Defense Mapping Agency Hydrographic Center

DMATC                                       Defense Mapping Agency Topographic Center

DMCC                                        depot maintenance control center; division movement control center (FM 90‑26)

DMD                                          digital message device

DMDG                                        digital message device group (FM 3‑21.20)

DME                                          distance measuring equipment

DMEDA                                       Director of Medical Activities

DMG                                          degrees magnetic north (FM 1‑02); distinguished military graduate

DMIS                                         Director, Management Information Systems

DMISA                                       depot maintenance interservice support agreement

DMJP                                         Dragon missile jump pack (FM 3‑21.220, FM 90‑26)

dml                                            demolition (use abbreviations only in graphics)

DMMB                                        Defense Medical Materiel Board

DMMC                                        division material management center

DMO                                          Directory of Mortuary Operations; directed military overstrength

DMOS                                        duty military occupational specialty

DMPRC                                       digital multi‑purpose range complex

DMS                                          Defense Mapping School; Defense Materials System; Data Management System; Defense Message System

DMSM                                        Defense Meritorious Service Medal

DMSO                                        division medical supply officer (ARTEP 7‑94-MTP); Defense Modeling and Simulation Office (Warfighter Requirements Division, USMC; http://www.dmso.mil)

DMTB                                         deployment mobilization troop basis

DMWR                                        depot maintenance work requirements

DMZ                                          demilitarized zone (FM 1‑02)

DN                                            Department of the Navy

DNA                                           Defense Nuclear Agency

DNBI casualty                              disease and nonbattle injury casualty (FM 1‑02)

DNC                                           Director, Naval Communications

DNCCC                                       Defense National Communications Control Center

DNL                                           do not load (FM 3‑22.910)

DNVT                                         digital nonsecure voice terminal (FM 3‑90.6)

do not answer                             A procedure word meaning, "Stations called are not to answer this call, receipt for this message, or otherwise transmit in connection with this transmission." When this procedure word is employed, the transmission shall be ended with the procedure word "Out." (FM 24‑19)

DOA                                          dead on arrival; direction of attack (FM 1‑02)

DOB                                           date of birth; detachment operations base (FM 7‑93)

doc                                           document(s, ARTEP 7‑91‑MTP (use abbreviations only in graphics)

DOCA                                         date of change of accountability; date of current appointment; Defense Orientation Conference Association

DOCE                                         date of current enlistment

DOCEX                                       document exploitation (FM 1‑02)

DOCO                                        Director of Commissary Operations

doctrinal template                        (DOD) 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, also doctrine, FM 2‑030)

doctrine                                     (DOD) 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 (NATO) Fundamental principles by which the military forces guide their actions in support of objectives. It is authoritative but requires judgment in application, FM 3‑0)

document exploitation                   The systematic extraction of information from documents either produced by the threat, having been in the possession of the threat, or that are directly related to the current or future threat situation for the purpose of producing intelligence or answering information requirements. This may be conducted in conjunction with human intelligence (HUMINT) collection activities or may be conducted as a separate activity. Also called DOCEX (FM 34‑52)

DOD                                          Department of Defense (FM 1‑02)

DoDAAC                                     DoD activity address code

DoDAC                                       DoD Ammunition Code

DoDCI                                        DoD Computer Institute

DoDCLIPMI                                  DoD Consolidated List of Principal Military Items

DoDCSC                                     DoD computer security center

DoDD                                         DoD directive

DoDDAC                                     DoD Damage Assessment Center

DoDEP                                        DoD Emergency Plans

DoDFDCO                                    DoD Foreign Disclosure Coordinating Office

DoDHGFO                                    DoD Household Goods Field Office

DoDI                                          DoD instruction

DoDIC                                        DoD identification code

DoDIER                                       DoD Industrial Equipment Reserve

DoDIIS                                       DoD Intelligence Information System

DODIPP                                      Department of Defense Intelligence Production Program (FM 1‑02)

DoDMPAC                                   DoD, Military Pay and Allowance Committee

DoDNACC                                    DoD National Agency Check Center

DoDPM                                       DoD Military Pay and Allowances Entitlements Manual

DoDRE                                        DoD research and engineering

DOE                                           Department of Energy; date of enlistment

DOF                                           direction of fire (FM 3‑22.90)

dogleg                                       (verb, intrans)

DOI                                           Department of the Interior; died of injuries

DOJ                                           Department of Justice

DOL                                           direction of landing

DOLLY                                        Link‑4A/TADIL C

domestic emergencies                   (DOD) 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 disturbances, 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 emergency 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 disturbances includes all domestic conditions requiring or likely to require the use of Federal Armed Forces pursuant to the provisions of Chapter 15 of Title 10, United States Code. 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 United States Code 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, FM 3‑07

domestic support operations          (DOD) Those activities and measures taken by the Department of Defense to foster mutual assistance and support between the Department of Defense and any civil government agency in planning or preparedness for, or in the application of resources for response to, the consequences of civil emergencies or attacks, including national security emergencies, FM 3‑07)

dominant terrain                          See key terrain (FM 1‑02)

dominant user concept                  (DOD) The concept that the Service that is the principal customer will have the responsibility for performance of a support workload for all using Services, FM 10‑1)

DOMS                                        Directorate of Military Support

Doppler                                      a type of radar (FM 3‑21.20)

DOPR                                         Defense Order Priority Rating

DOPRT                                       date of departure

DOR                                           date of rank

DORE                                         Defense Officer Record Examination

dormant                                     (DOD, NATO) In mine warfare, the state of a mine during which a time delay feature in a mine prevents it from being actuated, FM 20‑32)

DOS                                          day of supply; Department of State (FM 1‑02); date of separation; disk operating system

dose rate                                   (noun) The amount of ionizing or nuclear radiation that an individual would receive during a unit of time. It is usually expressed in centigray (cGy) per hour. Dose rate is commonly used to indicate the level of radioactivity in a contaminated area (FM 3‑3‑1)

dose rate contour line                   (DOD, NATO) A line on a map, diagram, or overlay joining all points at which the radiation dose rate at a given time is the same, FM 3‑3‑1. (See Table 7‑16 for symbol)

DOT                                          Department of Transportation; Dictionary of Occupational Titles

DOTI                                         Director of Operations, Training, and Intelligence

DOTLM                                       doctrine, operational, training, leader, and material

DOTLMPF                                    (incorrect; see instead DOTMLPF)

DOTMLPF                                    doctrine, organization, training, materiel, leader education, personnel, and facilities (FM 1‑02)

double check                               (noun) a careful check to determine accuracy, condition, or progress, especially of something already checked

double figure eight knot                 knot used to form a fixed loop in the end of the rope; loops are large enough to insert a carabiner

double overhand knot                   knot used to secure the end of detonation cord

double‑action mode                      (for spelling or hyphenation only)

double‑check                              (verb) transitive senses : to subject to a double check <an article double‑checked for accuracy; intransitive senses : to make a double check

doubtful                                     (NATO) In artillery and naval fire support, a term used by an observer or spotter to indicate that he was unable to determine the difference in range between the target and a round or rounds. [Note: the Army definition also applies to mortar fire.] See FM 6‑30)

DOV                                          disbursing officer voucher

DOW                                          died of wounds (FM 1‑02)

down                                         (NATO) In artillery and naval fire support: a. A term used in a call for fire to indicate that the target is at a lower altitude than the reference point used in identifying the target. b. A correction used by an observer/spotter in time fire to indicate that a decrease in height of burst is desired. [Note: the Army definition also applies to mortar fire.] See FM 6‑30)

DOWN (system; location/ direction)**  (EW) Referenced emitter has stopped radiating at the stated location or along the stated bearing (NOTE: DOWN does not mean system destroyed.)

downdraft                                   (noun, MW9)

downed aircrew pickup point          A point where aviators will attempt to evade and escape to be recovered by friendly forces (FM 3‑04.111; see Table 7‑8 for symbol)

downlink                                     (noun, MW10)

downrange                                  (adv, MW10); also used as a noun, but that usage is not mentioned in dictionary

downwind hazard area                  The area downwind of a nuclear, biological, or chemical attack that may present a hazard to unprotected troops (FM 3‑3)

downwind hazard prediction           A prediction of the possible extent of chemical hazard prepared by a corps or division nuclear, biological, chemical center following an attack (FM 3‑3)

DP                                             decision point (FM 1‑02); (By) Direction of the President, delivery point, displaced person

DPA                                           data‑processing activity

DPBO                                         division property book officer

DPC                                           data‑processing center; Defense procurement circular

DPCA                                         Director of Personnel and Community Activities

DPD                                           Data Project Directive

DPE                                           data‑processing equipment

DPG                                           Dugway Proving Ground (Army Test and Evaluation Command [TECOM]); data processing group; date of permanent grade

DPI                                            data‑processing installation

DPICM                                        dual‑purpose improved conventional munition(s)

DPM                                          Defense Program Memorandum; Draft Presidential Memorandum

DPO                                           depot property officer

DPPDB                                        digital point positioning database (FM 1‑02)

DPS                                           data‑processing system; Defense planning staff

DPSC                                         Defense Personnel Support Center

DPSPT                                       D‑ to P‑day (combat consumption) support (form)

DPT                                           Director of Plans and Training

DPU                                           data‑processing unit

DPWG                                        Defense Planning Working Group of Defense Ministers

DR                                             direction range (FM 1‑02); discrepancy report

DR/DSE                                      corresponding change in range when superelevation changes by 1 mil[MSOffice1] (FM 3‑22.1)

DRAAG                                       Design Review and Acceptance Group

DRAG                                         (cardinal direction) Contact aspect stabilized at 0‑60‑degree angle from tail or 120‑180‑ degree angle from nose)

Dragon                                       a medium antitank guided missile system

DRAM                                         dynamic random access memory

DRAW‑D                                     defend, reinforce, attack, withdraw, delay (FM 3‑21.10)

DRB                                           division ready brigade (FM 1‑02)

DRC                                           deployment readiness condition; district recruiting command; Disability Review Council

DRE                                           district reserve equipment

DRF                                           division‑ready force

drill mine                                     (DOD, NATO) An inert filled mine or mine‑like body, used in loading, laying, or discharge practice and trials, also mine, FM 20‑32)

DRILS                                        Defense Retail Interservice Logistic Support

DRL                                           date required to load

DRMO                                        Defense Reutilization and Marketing Office

DRO‑LA                                      (United States Army Element) Defense Research Office, Latin America

drop                                          (NATO) In artillery and naval fire support, a correction used by an observer/spotter to indicate that a decrease in range along a spotting line is desired. [Note: the Army definition also applies to mortar fire.] See FM 6‑30 (Army) Parachute jump, individual or in mass, or supply delivery by parachute from an aircraft in flight, or the act of making such a jump or delivery (FM 90‑26)

drop zone                                   (DOD, NATO) A specific area upon which airborne troops, equipment, or supplies are airdropped. Also called DZ, FM 90‑26. (See Table 7‑7 for symbol)

DROPP(ING)                                1.   Directive/informative call to stop monitoring a specified emitter/target and resume search responsibilities.

2.   Informative call that fighter has discontinued tracking responsibility.

3.   (TRACK___) Remove the emitter/target from tactical picture/track stores.

4.*  (EW) Directive call to remove a specific system or EOB category from search responsibilities)

DROS                                         date returned from overseas

DROZD                                       radar‑based system that detects incoming munitions (antitank grenades and ATGM) and fires one of eight types of countermunitions to destroy or neutralize them (not in AR 310‑50 draft or Master Glossary (c)) the late Michael R. Jacobson, DTS USAIC),"ATGM Countermeasures," Infantry Magazine, May to June 1996; look for FM 3‑21.91 (7‑91) to include more info on this)

DRRF                                         division rapid‑reaction force

DRU                                           Direct Reporting Unit. One of three headquarters created in July 2006 by the CoS Army to produce the most effective, efficient command and control structure to support our modular warfighting forces. The 11 DRUs are‑‑

(1) Network Enterprise Technology Command (NETCOM)
(2) Medical Command (MEDCOM)
(3) Intelligence and Security Command (INSCOM)
(4) United States Army Criminal Investigation Command (USACIDC)
(5) United States Army Corps of Engineers (USACE)
(6) Military District of Washington (MDW)
(7) Army Test and Evaluation Command (ATEC)
(8) United States Military Academy (USMA)
(9) United States Army Reserve Command (USARC)
(10) Acquisition Support Center
(11) Installation Management Agency (IMA)

(CoS Army 7 July 2006; see also the other two Army commands, ACOM and ASCC)

DRZ                                           deep reconnaissance zone

DS                                            directing staff; direct support; drill sergeant; data system; double single (Bailey Bridge)

DS2                                           Decontamination Solution No. 2 (valid acronym, I think, but no source except for ARTEP 71‑2‑MTP)

DSA                                           division support area (FM 1‑02)

DSAC                                         Deputy Supreme Allied Commander

DSAFSM                                     Deputy SAFEGUARD System Manager

DSAR                                         Defense Supply Agency regulation

DSARC                                       Defense Systems Acquisition Review Council

DSAS                                         direct‑support aviation section

DSB                                           double sideband

DSC                                           Defense Supply Center; distribution of stockage code; Distinguished Service Cross; division support communications (FM 90‑26)

DSCP                                         dual‑station command post (FM 3‑90.6)

DSEC                                         Director of Security

DSGS(CAR)                                 Deputy Secretary of the General Staff (Coordination and Report)

DSI                                           data systems inquiry

DSIATP                                      Defense Sensor Imagery Application Training Programs

DSIDBAD                                    Drill Sergeant Identification Badge

DSM                                          decision support matrix (FM 1‑02); Distinguished Service Medal

DSMC                                        Defense Systems Management College

DSN                                           defense switched network (FM 3‑21.20, FM 3‑25.150)

DSO                                          deception staff officer (FM 1‑02); Defense Subsistence Office; domestic support operation (FM 3‑21.20)

DSP                                           distribution point

DSR                                           document status report

DSRE                                         Defense Subsistence Region‑Europe

DSS                                           decisive, shaping, and sustaining (FM 1‑02); Direct Support System; Drill Sergeant School

DSSA                                         Direct Supply Support Activity

DSSCS                                       defense special security communications system

DSSM                                        Defense Superior Service Medal

DSSP                                         direct supply support point

DSSU                                         dismounted soldier system unit

DST                                           decision support template (not "templating," FM 1‑02)

DSTP                                         Director, Strategic Target Planning

DSU                                           direct support unit (FM 1‑02)

DSVT                                         digital secure voice terminal (FM 3‑90.6, FM 7‑93)

DT                                            development testing; development type; device training (FM 3‑22.1); double triple (Bailey Bridge)

DT&E                                         development test and evaluation

DTA                                           dental therapy assistant

DTAC                                         Digitized Training Access Center, (TRADOC Pamphlet 350‑70‑2)

DTC                                           Desert Test Center; Developmental Test Command (Army Test and Evaluation Command [TECOM])

dtd                                            dated (use abbreviations only in graphics)

DTD                                           detailed troop decontamination (FM 3‑90.1)

DTED                                         digital terrain elevation data (FM 1‑02)

DTG                                           date‑time group (FM 1‑02)

dtl                                             detail (use abbreviations only in graphics)

DTN                                           degrees true north (FM 1‑02)

DTO                                          digital terminal operator (doublecheck currency; source: a mil mag,'96); division transportation officer (FM 90‑26; district transportation officer

DTOC                                         division tactical operations center

DTP                                           detailed test plan

DTRA                                         Defense Technical Review Agency

DTS                                           data transfer system; digitalographic support; Defense Transportation System

DTSS                                         digital topographic support system (FM 1‑02)

DTUPC                                       design‑to‑unit production cost

DTZ                                           division tactical zone

DU                                            depleted uranium (FM 3‑22.1)

dual‑firing circuit                          (DOD, NATO) An assembly comprising two independent firing systems, both electric or both non‑electric, so that the firing of either system will detonate all charges, also demolition; state of readiness, FM 5‑250)

DUC                                           Distinguished Unit Citation

DUCK                                         [NATO] Informative/directive call to descend and increase speed)

dud                                           (DOD, NATO) Explosive munition which has not been armed as intended or which has failed to explode after being armed, FM 5‑250)

DUFFER                                      (EW) DF‑equipped unit)

dug in                                        (verb, past tense)

dug‑in                                        (adj)

dugout                                       (noun, MW9)

dummy                                       See decoy (FM 1‑02)

dummy minefield                          (DOD) In naval warfare, a mine field containing no live mines and presenting only a psychological threat (FM 1‑02)

dunnage                                     packing materials within a container or compartment

dupe                                          duplicate (use abbreviations only in graphics)

DUSA                                         Deputy Under Secretary of the Army

DUSAA                                       Davison United States Army Airfield

DVC‑T 05‑50                               ammunition record board set; consists of four different boards

DVC‑T 05‑51                               ammunition record board set; consists of seven different boards

DVD                                           digital video disks; digital versatile disk (incorrect), (TRADOC Pamphlet 350‑70‑2)

DVE                                           driver’s vision enhancer (FM 3‑22.1)

DVFR                                         Defense Visual Flight Rule

DVNT                                         digital voice nonsecure telephone (FM 3‑21.20)

DVO                                          direct‑view optics (FM 3‑22.1)

DVOD                                         direct‑view optical device (FM 3‑90.2); direct‑view optic device (incorrect usage, FM 3‑90.6)

dvr                                            driver (FM 3‑21.71, FM 3‑90.6 (use abbreviations only in graphics)

Dvr MechBadOp                           Driver and Mechanic Badge, Operator‑S (for special mechanical equipment)

DvrMechBadA                              Driver and Mechanic Badge, Driver‑A (for amphibious vehicles)

DvrMechBadM                              Driver and Mechanic Badge, Driver‑M (for motorcycles)

DvrMechBadMech                         Driver and Mechanic Badge, Mechanic (for automotive or allied vehicles)

DvrMechBadT                              Driver and Mechanic Badge, Driver‑T (for tracked vehicles)

DvrMechBadW                             Driver and Mechanic Badge, Driver‑W (for wheeled vehicles)

DWRIA                                       died of wounds received in action (FM 1‑02)

DWSA                                        Director of Weapon Systems Analysis

DX                                            direct exchange (FM 1‑02)

DXA                                           direct‑exchange activity

DXI                                           direct‑exchange item

dynamic ropes                             one of two classifications of kernmantle rope; used for climbing; see also static rope

DZ                                            drop zone (FM 1‑02)

DZSO                                         drop zone safety officer

DZST                                         drop zone support team (FM 3‑21.38, FM 3‑21.220, FM 3‑21.20, FM 90‑26, ARTEP 7‑94-MTP); drop zone safety team (FM 3‑90.6)

DZSTL                                       drop zone support team leader (FM 3‑21.38, FM 3‑21.220, FM 90‑26