In our collection you will encounter military terminology and acronyms. Here you can find out what they mean:
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
- (D)
- Dental Branch Officer (RAF)
- D
- Deserter (British Army Tattoo 19th Century)
- D
- Depth/draught
- D
- Director
- D
- Deputy
- D & E Platoon
- Defence and Employment Platoon
- D Adm Planning
- Director of Administrative Planning
- D Adm Planning
- Director of Administrative Planning
- D Amenities
- Director of Amenities
- D Ammenities
- Director of Amenities
- D and E Platoon
- Defence and Employment Platoon. Changed to ‘Defence Platoon’ circa 1968.
- D Dock
- Director of Docks
- D Docks
- Director of Docks
- D Edn
- Director of Education
- D Fd Tp and Br Train AE
- D Field Troop and Bridging Train, Australian Engineers (formerly D Fd Tp AE)
- D Hgs
- Director of Hirings
- D Inf
- Director of Infantry
- D Lab
- Director of Labour
- D Mov
- Director of Movements
- D MP & DB
- Director of Military Prisons and Detention Barracks
- D MP & DB
- Director of Military Prisons and Detention Barracks
- D of I
- Director of Intelligence
- D of M
- Director of Manning (Naval)
- D of N
- Director of Navigation (Naval)
- D of Ops
- Director of Operations
- D of P
- Director of Plans (Naval)
- D of PW & I
- Director of Prisoners of War and Internees
- D of R & D
- Director of Recruiting and Demobilization
- D of S
- Director of Supplies
- D of S
- Director of Supplies (First World War)
- D of T
- Director of Transport
- D of TD
- Director of Tactical Division (Naval)
- D of W
- Director of Works
- D Org
- Director of Organisations
- D Psych
- Director of Psychology
- D Qtg
- Director of Quartering
- D Rly & Rd Tng
- Director of Railway and Road Transportation
- D Sal
- Director of Salvage
- D Sig C
- Division Signal Company
- D Sigs
- Director of Signals
- D St J
- Dame of the Order of St John of Jerusalem
- D Svy
- Director of Survey
- D Tn
- Director of Transportation
- D Train
- Divisional Train
- D.Lit
- Doctor of Literature
- D.Litt
- Doctor of Letters
- D/B
- Dive Bombers
- DA
- Defence Act
- DA
- Diesel Alternator
- DA
- Director of Armament
- DA
- Divisional Artillery
- DA
- Direct Action
- DA & QMG
- Deputy Adjutant and Quartermaster General (First World War)
- DAA
- Defeat of Attacks on Australia
- DAA & QMG
- Deputy Assistant Adjutant and Quartermaster General (First World War)
- DAAC
- Director of Allied Air Cooperation
- DAAG
- Deputy Assistant Adjutant General (First World War)
- DAC
- Defend Australia Committee
- DAC
- Director of Army Catering
- DAC
- Divisional Ammunition Column (First World War)
- DAC
- Divisional Artillery Column (First World War)
- DACG
- Deputy Assistant Chaplain General
- DACG
- Deputy Assistant Commissary General
- DACO
- Divisional Ammunition Control Officer
- DAD
- Deputy Assistant Director
- DAD Amenities
- Deputy Assistant Director of Amenities
- DAD Docks
- Deputy Assistant Director of Docks
- DAD Edn
- Deputy Assistant Director of Education
- DAD Hgs
- Deputy Assistant Director of Hiring’s
- DAD Lab
- Deputy Assistant Director of Labour
- DAD MP & DB
- Deputy Assistant Director Military Prisons and Detention Barracks
- DAD Psych
- Deputy Assistant Director of Psychology
- DAD Rd Tn
- Deputy Assistant Director of Road Transportation
- DAD Rly Tn
- Deputy Assistant Director of Railway Transportation
- DAD Roads
- Deputy Assistant Director of Roads
- DAD Sal
- Deputy Assistant Director of Salvage
- DAD Svy
- Deputy Assistant Director of Survey
- DAD Tn
- Deputy Assistant Director of Transportation
- DAD V & RS
- Deputy Assistant Director of Veterinary and Remount Services
- DADA
- Deputy Assistant Director of Armament
- DADAC
- Deputy Assistant Director of Army Catering
- DADAPS
- Deputy Assistant Director of Army Postal Services
- DADC
- Deputy Assistant Director of Army Catering
- DADDS
- Deputy Assistant Director of Dental Services
- DADEE
- Deputy Assistant Director of Engineering Equipment
- DADGMS
- Deputy Assistant Director General of Medical Services
- DADLS
- Deputy Assistant Director of Legal Services
- DADME
- Deputy Assistant Director of Electrical and Mechanical Engineering
- DADMS
- Deputy Assistant Director of Medical Services (First World War)
- DADMV
- Deputy Assistant Director of Mechanical Vehicles
- DADOR
- Deputy Assistant Director of Ordnance Requirements
- DADOS
- Deputy Assistant Director of Ordnance Service
- DADOS 1st Aust Div
- Deputy Assistant Director Ordnance Services, 1st Australian Division [First World War AIF Ordnace Unit]
- DADOS 2nd Aust Div
- Deputy Assistant Director Ordnance Services, 2nd Australian Division [First World War AIF Ordnace Unit]
- DADOS 3rd Aust Div
- Deputy Assistant Director Ordnance Services, 3rd Australian Division [First World War AIF Ordnace Unit]
- DADOS 4th Aust Div
- Deputy Assistant Director Ordnance Services, 4th Australian Division [First World War AIF Ordnace Unit]
- DADOS 5th Aust Div
- Deputy Assistant Director Ordnance Services, 5th Australian Division [First World War AIF Ordnace Unit]
- DADOS ANZAC Mtd Div)
- Deputy Assistant Director Ordnance Services, ANZAC Mounted Division [First World War AIF Ordnace Unit]
- DADOS Aust Mtd Div
- Deputy Assistant Director Ordnance Services, Australian Mounted Division [First World War AIF Ordnace Unit]
- DADPR
- Deputy Assistant Director of Public Relations
- DADPS
- Deputy Assistant Director of Postal Services
- DADPS Aust Corps
- Deputy Assistant Director of Postal Services, Australian Corps [First World War AIF Postal Unit]
- DADPSS
- Deputy Assistant Director of Printing and Stationery Services
- DADR
- Deputy Assistant Director of Remounts
- DADS
- Deputy Assistant Director of Supplies
- DADSC
- Deputy Assistant Director of General Stores and Clothing
- DADSRE
- Deputy Assistant Director of Signal and Radar Equipment
- DADST
- Deputy Assistant Director of Supplies and Transport
- DADT
- Deputy Assistant Director of Transport
- DADVS
- Deputy Assistant Director of Veterinary Services (First World War)
- DADVS 1st Aust Div
- Deputy Assistant Director Veterinary Services, 1st Australian Division [First World War AIF Veterinary Unit]
- DADVS 2nd Aust Div
- Deputy Assistant Director Veterinary Services, 2nd Australian Division [First World War AIF Veterinary Unit]
- DADVS 3rd Aust Div
- Deputy Assistant Director Veterinary Services, 3rd Australian Division [First World War AIF Veterinary Unit]
- DADVS 4th Aust Div
- Deputy Assistant Director Veterinary Services, 4th Australian Division [First World War AIF Veterinary Unit]
- DADVS 5th Aust Div
- Deputy Assistant Director Veterinary Services, 5th Australian Division [First World War AIF Veterinary Unit]
- DADVS B Aust Div Gp
- Deputy Assistant Director Veterinary Services, B Australian Divisional Group [First World War AIF Veterinary Unit]
- DADWT
- Deputy Assistant Director of Water Transport
- DAE
- Director of Army Education
- DAEENG
- Director of Aircraft Equipment Engineering
- DAF
- Desert Air Force
- DAFI
- Director of Air Force Intelligence
- DAFMED
- Director of Air Force Medicine
- DAFP
- Director of Air Force Plans
- DAG
- Deputy Adjutant General (First World War)
- DAG (PA)
- Deputy Adjutant General (Personnel Administration)
- DAG (PS)
- Deputy Adjutant General (personnel Services)
- DAH
- Disordered action of the heart
- DAHS
- Directorate of Army Health Services
- DAI
- Death from Accidental Injuries
- DAI
- Director of Army Inspection (Vietnam War)
- DAIM
- Director of Army Information Management
- DAIO
- Divisional Artillery Intelligence Officer
- DAIRENG
- Director of Aircraft Engineering
- DAMGO
- Deputy Assistant Master General of the Ordnance
- DAMR
- Director of Aircraft Maintenance and Repair (Naval)
- DAMS
- Deputy Assistant Military Secretary
- DAO
- Defence Administrative Office
- DAOD
- Department of Air Organisational Directive
- DAP
- Department of Aircraft Production
- DAPD
- Department of Air Project Directive
- DAPM
- Deputy Assistant Provost Marshal
- DAPS
- Director of Army Postal Services
- Dapsone
- A drug used by Australians during part of the Vietnam involvement as a malaria suppressant
- DAPSS
- Director of Army Printing and Stationery Services
- DAPU
- Discharged as permanently unfit
- DAQMG
- Deputy Assistant Quartermaster General
- DAR
- Director of Army Records
- DARSO
- Division of Administrative Responsibility of the Services in Operation
- DAS
- Director of Armament Supplies (Naval)
- DAS
- Director of Army Signals
- DASA
- Director of Audit and Service Accounting
- DASC
- Direct Air Support Centre
- DAWOT
- Director of Air Warfare Organisation and Training (Naval)
- DB
- District Base
- DBA
- Director of Budget Authorisation and Ecpenditure
- DBB
- Director of Budges and Costing
- DBD
- Director of Boom Defences
- DBDS
- District Base Defence Scheme
- DBE
- Dame Commander of the Order of the British Empire
- DBR
- Damaged Beyond Repair
- DBST
- Double British Summer Time
- DC
- Defence Committee
- DC
- Depth charge
- DC of S
- Deputy Chief of Staff (USA)
- DCA
- Divisional Catering Officer
- DCA
- Department of Civil Aviation
- DCAC
- Deputy Controller of Army Catering
- DCAS
- Deputy Chief of the Air Staff
- DCB
- District Contracts Board
- DCG
- Deputy Chaplain General
- DCGS
- Deputy Chief of the General Staff
- DCI
- Defence Counter proliferation Initiative
- DCI
- Defence Council Instruction (United Kingdom)
- DCIGS
- Deputy Chief of the Imperial General Staff
- DCLI
- The Duke of Cornwall's Light Infantry
- DCM
- Distinguished Conduct Medal (Awarded to Warrant Officer's and below for acts of gallantry)
- DCM
- District courts martial
- DCN
- Deputy Chief of the Navy
- DCN
- Document Control Number
- DCN
- Defence Communications Network (United Kingdom)
- DCNO
- Deputy Chief of Naval Operations (USA)
- DCNP
- Deputy Chief of Naval Personnel
- DCNS
- Deputy Chief of Naval Staff
- DCO
- Defence Community Organisation
- DcofS
- Deputy of Chief of Staff
- DCOORD-A
- Director of Coordination - Army
- DCP
- Defence Cooperation Program
- DCP
- Director of Civil Personnel
- DCPO
- Deputy Chief Provision Officer
- DCRE
- Deputy Commander, Royal Engineers
- DCS
- Deputy Chief of Staff
- DCS
- Director of Canteens Service
- DCS
- Divisional Collecting Station (First World War)
- DCS
- Dual Channel Sidescan
- DCT
- Director Control Tower (RAN)
- DCVO
- Dame Commander of the Royal Victorian Order
- DD
- Deputy Director
- DD
- Destroyers (USA)
- DD
- Deep Draught
- DD
- Fleet Destroyer
- DD Amenities
- Deputy Director of Amenities
- DD org
- Deputy Director of Organisation
- DD RAE
- Deputy Director of Royal Australian Engineers
- DD Sup
- Deputy Director of Supply
- DDAPS
- Deputy Director of Army Postal Services
- DDD
- Deadline Delivery Date
- DDD
- Discharge Details Depot
- DDDS
- Deputy Director of Dental Services
- DDES
- Deputy Director of Engineer Stores
- DDFW
- Deputy Director of Fortifications and Works
- DDG
- Guided missile destroyer (RAN)
- DDG
- Destroyer with area surface to air missiles (SAM)
- DDG
- Guided Missile Destroyer
- DDGMS
- Deputy Director General of Medical Services
- DDGMS
- Deputy Director General of Medical Services
- DDGPR
- Deputy Director General of Public Relations
- DDH
- Destroyer with helicopters
- DDHP
- Department of Defence Post Hostilities Planning Committee
- DDIO
- Director Defence Intelligence Organisation
- DDLS
- Deputy Director of Legal Services
- DDME
- Deputy Director of Electrical and Mechanical Engineering
- DDMI
- Deputy Director of Military Intelligence
- DDMO
- Deputy Director of Military Operations
- DDMOI
- Deputy Director of Military Operations and Intelligence
- DDMS
- Deputy Director of Medical Services (First World War)
- DDMS 1st ANZAC Corps
- Deputy Director of Medical Services, 1st ANZAC Corps [First World War AIF Medical Unit]
- DDMS 2nd ANZAC Corps
- Deputy Director of Medical Services, 2nd ANZAC Corps [First World War AIF Medical Unit]
- DDMS AIF E
- Deputy Director of Medical Services, Australian Imperial Force in Egypt [First World War AIF Medical Unit]
- DDMS ANZAC Corps
- Deputy Director of Medical Services, ANZAC Corps [First World War AIF Medical Unit]
- DDMS Aust Corps
- Deputy Director of Medical Services, Australian Corps [First World War AIF Medical Unit]
- DDMS Des Mtd Corps
- Deputy Director of Medical Services, Desert Mounted Corps (formerly DDMS, No 3 Section, Canal Defences, and then DDMS, Desert Column) [First World War British Medical Unit]
- DDMS EEF Egypt
- Director of Medical Services, Egyptian Expeditionary Force [First World War AIF Medical Unit]
- DDMS IIIrd Corps
- Deputy Director of Medical Services, IIIrd Corps [First World War British Medical Unit]
- DDMS IXth Corps
- Deputy Director of Medical Services, IXth Corps [First World War British Medical Unit]
- DDMS VIIIth Corps
- Deputy Director of Medical Services, VIIIth Corps [First World War British Medical Unit]
- DDMS XXIst Corps
- Deputy Director of Medical Services, XXIst Corps [First World War British Medical Unit]
- DDMS XXth Corps
- Deputy Director of Medical Services, XXth Corps (formerly Deputy Director of Medical Services, Eastern Force [First World War British Medical Unit]
- DDMT
- Deputy Director of Military Training
- DDNR
- Deputy Director Naval Reserves
- DDOS
- Deputy Director of Ordnance Service
- DDOS
- Deputy Director Operations and Surveys
- DDR
- Deputy Director of Remounts
- DDR
- Aircraft Direction Frigate
- DDS
- Director of Dental Services
- DDSD
- Deputy Director of Staff Duties
- DDSP
- Deputy Director Surveys and Plans
- DDST
- Deputy Director of Supply and Transport
- DDT
- Deputy Director of Transport
- DDT
- Dichloro-diphenyl-tricholroethane
- DDVS
- Deputy Director of Veterinary Services
- DE
- Escort Destroyer
- DE
- Escort Ship
- DE (N)
- Director of Engineering (Naval)
- DE in C
- Deputy Engineer in Chief
- DEA
- Data Exchange Agreements
- DEC
- Director of Establishments Control
- Decd
- Deceased
- Deckhead
- Top or ceiling of a compartment
- Decn
- Decontamination
- DECON
- Decontaminate
- DEE
- Director of Engineering Equipment
- DEE SEC BCOD
- Disposal Enemy Equipment
- Def
- Defence
- Def
- Defend
- Defn
- Definition
- DEFO
- Defence Officer
- Defoliation
- The use of herbicides to cause trees and plants to lose their leaves in order to improve observation
- DEI
- Dutch East Indies
- DEL
- Direct Employed Labour
- DEL
- Deliver
- DEME
- Directorate of Electrical and Mechanical Engineering (Vietnam)
- DEMS
- Defensively Equipped Merchant Ships
- DEN
- Dental
- Den Cps
- Dental Corps
- DENGP
- Director of Engineering Plans
- DENO
- Dental Officer
- Dent Corps
- Dental Corps
- Dent Unit
- Dental Unit (Vietnam War)
- DENTASST
- Dental Assistant
- DENTCAP
- Dental Civic Action Program. See also MEDCAP
- DENTHYG
- Dental Hygienist
- DENTMECH
- Dental Machanic
- Dep
- Depot
- DEP
- Director of Equipment Policy
- DEP
- Director of Equipment Procedure
- DEPA
- Director of Equipment Policy and Administration
- DEPAIR
- Department of Air
- DEPD
- Dependent
- DEPT
- Department
- DER
- Director of Equipment Requirements
- DERV
- Diesel Engine Road Vehicle
- DES
- Director of Engineer Stores
- Des Mtd Corps Op Unit
- Desert Mounted Corps Operating Unit (First World War)
- Des Mtd Corps Op Unit
- Desert Mounted Corps Operating Unit [First World War British Medical Unit]
- DesCol
- Desert Column
- DesCorps
- Desert Mounted Corps (First World War)
- DESD
- District Engineer Stores Depot
- DEST
- Director of Establishments
- DEST
- Destination
- Det
- Detachment (Vietnam War)
- Det
- Detached
- Det 1 Div Int Unit
- Detachment of 1st Division Intelligence Unit
- Dets
- Details
- Devon
- The Devonshire Regiment
- DEVT
- Director of Education and Vocational Training
- DF
- Defensive Fire. Firing of rounds as a protective cover for infantry.
- DF
- Direction Finding
- DFA
- Drive Front Axle
- DFAT
- Department of Foreign Affairs and Trade
- DFC
- Distinguished Flying Cross
- DFM
- Distinguished Flying Medal
- DFO
- District Finance Officer
- DFP
- Director of Finance Pay
- DFRB
- Defence Force Retirement Benefits
- DFS
- Director of Flying Safety
- DFSM
- Defence Force Service Medal
- DFT
- Director of Flying Training
- DFW
- Director of Fortifications and Works
- DG
- Dragoon Guards
- DG
- Degaussing
- DG
- Diagnose
- DGAMS
- Director General of Army Medical Services (First World War)
- DGAV
- Director General of Armoured Vehicles
- DGCA
- Director General of Civil Aviation
- DGCO-A
- Director General Coordination and Organisation - Army
- DGD
- Director of Ground Defence
- DGE
- Director General of Equipment
- DGENGP
- Director General of Engineering Plans
- DGFE
- Director General Fighting Equipment
- DGI
- Defence of Global Interests
- DGJOP
- Director General Joint Operations and Plans
- DGMS
- Director General of Medical Services
- Dgn
- Dragoon
- DGO
- Director General of Organisation
- DGO
- Divisional Gas Officer
- DGOP-A
- Director General, Operations and Plans - Army
- DGOR
- Direcrot General, Operational Requirements
- DGOR
- Director General of Organisation
- DGP
- Director General of Personnel
- DGPI
- Director General of Public Information
- DGPP
- Director General, Plans and Policy
- DGPR
- Director General of Public Relations
- DGPS
- Director General, Personnel Services
- DGR
- Director of Graves Registration
- DGR & E
- Director Graves Registration and Enquiry
- DGRD
- Director General of Research Department
- DGS
- Director Gas Services
- DGTn
- Director General of Transportation Services
- DGWIP
- Director General of Weapons and Instruments Production
- DGZ
- Desired Ground Zero
- DH
- Deputy Hydrographer
- DHB
- Director Hydrgraphic Branch
- DHO
- Director Hydrographic Operations
- DHO
- Director Hydrographic Office
- DHQ
- Divisional Headquarters (First World War)
- DHQ
- Division Headquarters (USA)
- DI
- Daily inspection
- DI
- Drill Instructor
- DI (G)
- Defence Insturction (General)
- DI (N)
- Defence Insturction (Navy)
- DIA
- Division d'Infanterie Algerienne
- DIC
- Colonial Infantry Division (Division d'Infanterie Coloniale)
- DIC
- Defence Industrial Committee
- DID
- Detail Issue Depot
- DIESO
- Diesel Fuel
- DIG
- Delivery Indicator Group
- DIGM
- Deputy Inspector General of Munitions
- DILIFOR
- Dili Force (East Timor)
- DIM
- Division de marche Infanterie
- DIMGU
- Deputy Inspector, Machine Gun Unit
- DIO
- Defence Intelligence Organisation
- DIOCC
- District Intelligence & Operations Coordination Centre (VietnamWar)
- DIR
- Direct
- Director
- An apparatus to determine correct positioning of guns
- Dis
- Discharged (eg from Hospital, or Army)
- DIS
- Defence Intelligence Staff
- DIS
- Defence Information Services
- DISCH
- Discharge
- DIST
- District
- DISTR
- Distribute
- Div
- Division or Divisional. Includes units from most branches of the Army.
- Div Art
- Divisional Artillery
- Div Int Svn
- Divisional Intelligence South
- Div Loc Bty
- Divisional Locating Battery (Vietnam War)
- Div Postal
- Divisional Postal Unit (Vietnam War)
- Div Pro Copy
- Divisional Provost Company (Vietnam War)
- Div Sal Coy
- Divison Salvage Company
- Div Sig
- Divisional Signaller (A Signaller posted to a Regiment)
- Div St Wksp
- Division Supply & Tranpsort Workshop (Vietnam War)
- Div Sup Col
- Divisional Supply Company
- Div Tps
- Divisional Troops
- Div Trn
- Divisional Train (First World War)
- DIWT
- Director of Inland Water Transport Service
- DJAG
- Deputy Judge Advocate‑General
- DJFHQ
- Deployable Joint Force Headquarters (East Timor)
- DJOPS
- Director of Joint Operations
- DJP
- Director of Joint Plans
- DJS
- Director Joint Staff
- DJSC
- Director Joint Service Communications
- Dk
- Denmark
- DL
- Director of Labour
- DLCO
- Deck Landing Control Officer (batsman) (Second World War)
- DLG
- Guided Missile Frigate
- DLI
- The Durham Light Infantry
- DLM
- Depot Level Maintenance
- DLO
- Dead Letter Office
- DLO
- Director Light Railways
- DLO
- Divisional Legal Officer
- DLS
- Director of Legal Services
- DLT
- Deck landing training
- DM
- Nose and Throat Irritant Gas
- DM
- Director of Mechanization
- DMAG
- Defence Media Advisory Group
- DMAINT
- Director of Maintenance
- DMANARCH
- Draughtsman Architectural
- DMANENG
- Draughtsman Engineering
- DMANSURV
- Draughtsman Survey
- DMC
- Desert Mounted Corps
- DMCC
- Defence Movements Coordinating Committee
- DMD
- Director, Movements Division (Naval)
- DME
- Director of Electrical and Mechanical Engineering
- DME
- Distance Measuring Equipment
- DMEDP
- Director of Medical Plans
- DMEO
- Deputy Marine Engineering Officer
- DMGO
- Deputy Master‑General of the Ordnance
- DMI
- Director of Military Intelligence
- DML
- Demolition
- DMM
- Division Morocaine de Montagne
- DMO
- Director of Military Operations
- DMO & I
- Director of Military Operations and Intelligence
- DMO & P
- Directorate of Military Operations and Plans (see also DOP - Directorate of Operations and Plans)
- DMOI
- Director of Military Operations and Intelligence
- DMOP
- Directorate of Military Operations and Plans (see also DOP - Directorate of Operations and Plans)
- DMOVT
- Directorate of Movements and Transport
- DMP
- Director of Maintenance Policy
- DMPS
- Defence Movements Planning Staff
- DMQ
- Director of Movements and Quartering
- DMS
- Deputy Military Secretary
- DMS
- Director of Medical Services (First World War)
- DMS 2nd Army
- Director of Medical Services, Second Army [First World War British Medical Unit]
- DMS 4th Army
- Director of Medical Services, Fourth Army [First World War British Medical Unit]
- DMS 5th Army
- Director of Medical Services, Fifth Army [First World War British Medical Unit]
- DMS MEF
- Director of Medical Services, Mediterranean Expeditionary Force [First World War British Medical Unit]
- DMT
- Director of Military Training
- DMT
- Driver Motor Transport (Women's Auxiliary Australian Air Force - WAAAF)
- DMTS
- Director of Motor Transport Services (First World War)
- DMTS
- Director of Mechanical Transport Services, AIF [First World War AIF Supplies and Transport AASC Unit]
- DMV
- Director of Mechanical Vehicles
- DMZ
- Demilitarised Zone
- DNA
- Director of Naval Accounts
- DNAD
- Director of Naval Air Division
- DNC
- Director of Naval Communications
- DNE
- Director of Naval Equipment
- DNG
- Dutch New Guinea
- DNI
- Director of Naval Intelligence
- DNIS
- Directorate of Naval Intelligence and Security
- DNL
- Director of Naval Electrical Branch
- DNMS
- Director of Naval Medical Services
- DNO
- Director of Naval Operations
- DNO
- District Naval Officer
- DNOP
- Director Naval Officers Postings
- DNRM
- Director of Naval Reserves and Naval Reserves Mobilisation
- DNS
- Director of Nursing Services
- DNSD
- Director Navigation and Staff Duties
- DNW
- Director of Naval Works
- Do
- Ditto (same as entry above)
- DO
- Divisional Orders
- DO
- Duty Officer (USA)
- DO
- Demi Official
- DOBOPS
- Director of Borneo Operations (British appointment during Indonesian Confrontation, 1962-1966)
- DOC
- Died of other causes (First World War)
- DOC
- Defence Operations Centre
- DOCU
- Document
- DOD
- Department of Defence
- DOD
- Died of Disease (First World War)
- DOD
- Director of Operations Division (Naval)
- DOI
- Died of illness
- DOL
- Dollar
- DOM
- Director of Organisation and Methods
- DOMF
- Darwin Overland Maintenance Force
- DON R
- Despatch Rider (Second World War) – formerly simply abbreviated as DR. Don probably picked up from the phonetic alphabet common in military parlance. Don stands for ‘D’.
- DOO
- Director of Overseas Operations
- DOP
- Directorate of Operations and Plans (name change from Directorate of Military Operations and Plans circa 1973)
- DOR
- Director of Ordnance Requirements
- DOR
- Director of Operational Requirements
- DOR
- Division of Responsibility
- DORCA
- Directorate of Research and Civil Affairs
- DORG
- Direcrot of Organisation
- DORO
- Director of Operational Research Office
- Dorset
- The Dorsetshire Regiment
- DOS
- Director of Ordnance Service
- DOT
- Director of Operational Training
- DOT
- Department of Transport
- DOTM
- Director of Naval Ordnance, Torpedoes, and Mines
- DOUBLET
- Code name for operation from March to September 1943 culminating in fall of Salamaua
- DOUW
- Director of Ordnance and Underwater Weapons (Naval)
- DOW
- Died of wounds (First World War)
- DP
- Delivery Point - The place where RASC (Royal Army Service Corps) Transport hands over loads to first line transport of a unit
- DP
- Director of Postings
- DP
- Distribution Point
- DPA
- Director of Personnel Administration
- DPA
- Director of Personnel Airmen
- DPC
- Defence Production Committee
- DPCO
- Directorate Project Coordination Office
- DPCU
- Disruptive Pattern Camouflage Uniform
- DPE
- Depot Production Engineer
- DPFS
- Directorate of Personal and Family Services
- DPM
- Deputy Provost Marshal
- DPO
- Director of Personnel Officers
- DPOB
- Date and Place of Birth
- DPR
- Director of Public Relations
- DPR
- Director of Public Relations
- DPRK
- Democratic Peoples Republic of Korea (North Korea)
- DPS
- Director of Personnel Services
- DPS (A)
- Director of Personnel Services (Conditions of Service/Financial Aspects)
- DPS (B)
- Director of Personnel Services (Ceremonial/Discipline)
- DPSS
- Director of Printing and Stationery Services
- DPT
- Department of Post and Telegraphs (Cambodian Government)
- DPW and I
- Directorate of Prisoners of War and Internees
- DQ
- Demonination of Quality
- DQC
- Director Quality Control
- DQMG
- Deputy Quartermaster General (First World War)
- DQMG GHQ EEF
- Deputy Quartermaster General, General Headquarters, Egyptian Expeditionary Force [First World War British Headquarters Unit]
- DR
- Despatch Rider
- DR
- Dead Reckoning
- Dr
- Driver
- DRA
- Director of Royal Artillery
- DRA
- Drive Rear Axle
- DRAC
- Delta Regional Assistance Command
- DRAC
- Director of Royal Armoured Corps
- DRAE
- Director of Royal Australian Engineers
- DRC
- Discharge and Reception Centre
- DRC
- Defence Research Centre
- DRDPC
- Defence Research and Development Policy Committee
- DRES
- Director of Reserves
- DRG
- Defence Research Group
- DRI
- Defend Regional Interests
- DRLS
- Despatch Rider Letter Service
- DRO
- Divisional Routine Orders
- DRRF
- Director of Naval Reserves and Senior Officer Reserve Fleet
- DRS
- Director of Repair and Service
- DRS
- Divisional Rest Station (First World War)
- DRT
- Director of Railway Traffic
- DRV
- Democratic Republic of Vietnam (North)
- DS
- Dressing Station
- DS
- Direct Support
- DS
- Directing Staff
- DS of D
- Deputy Superintendent of Design
- DSA
- District Senior Advisor (United States advisor to a District Chief, normally military)
- DSB
- Defence Signals Bureau (1947-1949)
- DSB
- Defence Signals Branch (1949-1964)
- DSB
- Double Sideband
- DSC
- Director of General Stores and Clothing
- DSC
- Distinguished Service Cross
- DSC
- Division Supply Company
- DSCP
- Division Supply Control Point (USA)
- DSD
- Defence Signals Division (1964-1978)
- DSD
- Defence Signals Directorate (1978-)
- DSD
- Director of Staff Duties
- DSD
- District Supply Depot
- DSD
- Director of Selection of Personnel (War Office)
- DSD
- Defence Support Program
- DSD
- Descent Point
- DSEA
- Davis Submarine Escape Apparatus (Second World War)
- DSECADMIN
- Director Secretary Administration
- DSIO
- Deputy Supervising Intelligence Officer
- DSL
- Defence Standards Laboratory
- DSM
- Distinguished Service Medal
- DSN
- Defence Stock Number
- DSO
- Companion of the Distinguished Service Order (To officers for gallantry in face of enemy)
- DSRE
- Director of Signal and Radar Equipment
- DSS
- Defence Signals Staff
- DSSC
- Defence Security Sub Committee
- DSSR
- Deep Sea Sound Range
- DST
- Director of Supplies and Transport
- DSTATS
- Direcrtor of Statistics
- DSTO
- Defence Sciece and Technology Organisation
- DSU
- Divisional Supply Unit (Peacekeeping)
- DSU
- District Support Unit (Australia Base Support)
- DT
- Director of Transport
- DTA
- Division Tactical Area. An Army of the Republic of Vietnam (ARVN) DTA comprised two or more provinces; the DTA commander was also the ARVN division commander, and the DTA was his permanent Tactical Area of Responsibility (TAOR). (Vietnam War)
- DTA
- Director of Treasury Accounting
- DTC
- Driver Training Course
- DTELENG
- Director of Telecommunication Engineering
- DTELS
- Director of Telecommunications
- DTG
- Date Time Group
- Dtls
- Details
- DTMN
- Draughtsman
- DTMO
- Divisional Trench Mortar Officer (First World War)
- DTMO Lahore Div Arty
- Divisional Trench Mortar Officer, Lahore Divisional Artillery [First World War AIF Artillery Unit]
- DTS
- Director of Technical Services
- DTSN
- Director Tactics Ship Command, Control and Navigation
- DTSR
- Director of Training and Staff Requirements Division (Naval)
- DTT
- Director of Technical Training
- Duffel Bag
- Ground based personnel sensing devices (Vietnam War)
- DUKW
- Detroit United Kaiser Works Amphibious load carrier. Named after US Army's serial numbers DUKW.
- Dulag
- Durchgangslager (German) - Prisoner of War transit camp
- DUS
- Depot Unit(s) of Supply
- Duster
- United States armoured track vehicle with twin 40mm cannon used for convoy & base protections
- DUSTOFF
- Term used to describe aero-medical evacuation helicopter and/or procedure. Initials stand for "Dedicated and Untiring Support to our Fighting Forces".
- DV & RS
- Director of Veterinary and Remount Services
- DVDC
- Director of Volunteer Defence Corps
- Dvr
- Driver
- DVS
- Director of Veterinary Services
- DW
- Dead Weight
- DWAAF
- Director of Women's Auxiliary Air Force
- DWB
- Director of Works and Buildings
- DWEAPENG
- Director of Weapons Engineering
- DWR
- The Duke of Wellington's Regiment (West Riding)
- DWRAAC
- Director of Women's Royal Australian Army Corps (WRAAC)
- DWRAAF
- Director of Women's Royal Australian Air Force (WRAAF)
- DWRANS
- Director Women's Royal Australian Naval Service (WRANS)
- DWT
- Director of Water Transport
- DZ
- Dropping Zone