Glossary

In our collection you will encounter military terminology and acronyms. Here you can find out what they mean.

I

Intelligence

Iraq clasp to Australian Service Medal (ASM)

Islands West of Papua New Guinea, including Dutch New Guinea (RAAF)

Intelligence Officer (RAF)

I & R

Intelligence and Reconnaissance. At District and Province Level I & R Squads (District) and Pls (Province) were found. They were Regional Forces (RF) troops and were tasked for special missions by the District/Province Chiefs.

Issue and receipt

I CTZ

1st Corps Tactical Zone (Vietnam War)

I Lt Cr

Instructor Lieutenant Commander (Naval)

I of A

Inspector of Administration (now IDAMIN)

I of M

Inspector of Mines

I/C

In charge of

I?G

Inspector General

IA

Indian Army

Indian Artillery

IADS

Integrated Air Defence System

IAEA

International Atomic Energy Agency

IAFD

Inland Aircraft Fuel Depot

IAFS

Indian Air Formation Signals

IAMC

Indian Army Medical Corps

IAS

Indicated air speed (USA)

IASC

Indian Army Service Corps

IBRD

International Bank for Reconstruction and Development

IC

Internment Camp

Information Center (USA)

Instructor Captain (Naval)

Internal Combustion

ICAO

International Civil Aviation Organisation

ICAP

Integrated Civic Action Progamme. This is a co-ordinated intelligence/civic action combined United States/Government of [South] Vietnam (GVN) activity conducted in a contested or insecure area for the purpose of gathering intelligence and conducting civi

ICBM

Intercontinental ballistic missile(s)

ICC

Imperial Camel Corps (First World War)

International Control Commission for supervision of the 1954 Geneva Agreement. Represented by Canada, India, Poland

ICFY

International Conference on the Former Yugoslavia (Peacekeeping)

ICJ

International Court of Justice (United Nations Organisation - UNO)

ICKT

Integrated Circuit

ICSSEA

Integrated Communications Systems

ICT

Inflammation of connective tissues (First World War)

idc

Graduate of the Imperial Defence College

Imperial Defence College

Denotes an Officer who has completed a course at the Imperial Defence College. (Source: Australian Navy List, 1941)

IDCO

Identity Card Officer

IDD

International Direct Dial (telephone services)

IDENT

Identity

IE

Corps of Indian Engineers

Initial Equipment

IEF

Indian Expeditionary Force

IEFC

International Emergency Food Council

IEME

Corps of Indian Electrical and Mechanical Engineers

IF

Instrument Flying

IFF

In Flight Following

Identification Friend or Foe (RAAF)

IFR

Instrument Flight Rules

IFS

International Financial Statistics

Inshore Fire Support Ship

IG

Inspector General (USA)

Irish Guards

IGC

Inspector General of Communications (First World War)

Instructional Croup Commander

IGM

Inspector General of Munitions

IHC

International Health Certificate

International Harvester Corporation (Vietnam)

IHIA

Include This Headquarters Information Address

II

Iran-Iraq clasp to Australian Service Medal (ASM)

IIFFV

II Field Force Vietnam

ILO

International Labour Organisation

In Lieu Of

ILS

Instrument Landing System

IMAV

Intermediate Maintenance Availability

IMB

Independent Mixed Brigade

IMCO

Inter?Governmental Maritime Consultative Organisation

IMF

International Monetary Fund (United Nations Organisation - UNO)

International Monetary Fund

IMGU

Inspector of Machine Gun Units

IMNS

Imperial Military Nursing Service

IMP

Imperial

Improved

Imp Cam Bde

Imperial Camel Brigade

Imp Mtd DAC

Imperial Mounted Divisional Ammunition Column [First World War British Artillery Unit]

Imp Mtd Div

Imperial Mounted Division

IMS

Indian Medical Service (First World War)

Inshore Mine Sweeper Type 1

IMTFE

International Military Tribunal for the Far East

INA

Indian National Army

INCL

Includes/including

INDEP

Independent

Indep Armd Wksp S S

Independent Armoured Workshop Stores Section (Vietnam War)

Indep Recce Flt

Independent Reconnaissance Flight (Vietnam War)

India

India

Indn

Indian

Indon

Indonesia

INF

Infantry (First World War)

Intermediate-range nuclear forces

Infm

Information

Info

Information (USA)

INLR

Item No Longer Required

Innisks

The Royal Inniskilling Fusiliers

INOC

Inoculate

INOP

Inoperative

INS

Inertial Navigation System

INSEC

Internal Security

INSP

Inspect

INST

Instrument

INSTFITT

Instrument Fitter

INSTL

Install

INSTMECH

Instrument Mechanic

INSTN

Instruction

INSTR

Instructor

Int

Intelligence

Int GHQ EEF

Intelligence, General Headquarters, Egyptian Expeditionary Force [First World War British Headquarters Unit]

Int GHQ MEF

Intelligence, General Headquarters, Mediterranean Expeditionary Force [First World War British Headquarters Unit]

Int HQ 1st ANZAC Corps

Intelligence, Headquarters, 1st ANZAC Corps [First World War AIF Headquarters Unit]

Int HQ 2nd ANZAC Corps

Intelligence, Headquarters 2nd ANZAC Corps [First World War AIF Headquarters Unit]

Int HQ ANZAC

Intelligence, Headquarters Australian & New Zealand Army Corps [First World War AIF Headquarters Unit]

Int HQ Aust Corps

Intelligence, Headquarters Australian Corps [First World War AIF Headquarters Unit]

Int HQ Desert Mtd Corps

Intelligence, Headquarters Desert Mounted Corps [First World War British Headquarters Unit]

Int HQ NZ&A Div

Intelligence, Headquarters New Zealand & Australian Division [First World War AIF Headquarters Unit]

Int O

Intelligence Officer (USA)

Int Sums GHQ EEF

Intelligence Summaries, General Headquarters, Egyptian Expeditionary Force [[First World War British Headquarters Unit]

INTELO

Intelligence Officer

INTERCNT

Interconnect

INTERCOMM

Intercommunication

Interfect

International Force in East Timor

INTERFET

International Force for East Timor

Intimate Psyop

A technique used at small unit (platoon) level. Portable loudspeakers contact to surrender. Oral messages are delivered during lulls in fire and may be combined with leaflet drops.

INTMED

Intermediate

INTREP

Intelligence Report

INTRO

Introduce

INTSUM

Intelligence Summaries

INVH

Inventory Holder

IO

Intelligence Officer

IOO

Inspecting Ordnance Officer. Gathers and imparts information regarding the situation.

IOX

Inspector of Explosives

IP

Initial Points (USA)

IPC

Initial Procurement Committee

IR

Immediate Reserves

International Relations

Infra red

Infanterie Regiment (Infantry Regiment - German, First World War)

IRBM

Intermediate-range ballistic missile(s)

IRC

International Red Cross

IRE

Instrument Rating Examiner

IRO

International Refugee Organisation

IS

Israel

ISA

Instrument Standard Atmosphere

ISB

Independent Sideband

ISIS

Inter Service Information Series, Oxford

ISLD

Indian Salvage and Local Disposal

Ismailia Int Reps GHQ MEF

Intelligence Reports, Ismailia, General Headquarters, Egyptian Expeditionary Force [First World War British Headquarters Unit]

ISO

Companion of the Imperial Service Order

ISS

Issue

ISTD

Inter Service Topographical Department, Oxford

ISTDC

Inter Service Training and Development Centre

IT

Instructional Technique

Italy

ITB

Infantry Training Battalion

ITO

International Trade Organisation

ITS

Initial Training School (RAAF)

ITU

International Telecommunication Union

ITV

Independent Television News (London)

ITW

Initial Training Wing (RAF)

IWCS

Integrated Wideband Communications System

IWGC

Imperial War Graves Commission

IWT

Inland Water Transport