US Army Dictionary of Military Terms

GCCS

Global Command and Control System

GCE

ground combat element (MAGTF)

GCI

ground control intercept

GCRI

general collective routing indicator (RI)

GCS

ground control station

GCSS

Global Combat Support System

GD

Soman, a nerve agent

GDIP

General Defense Intelligence Program

GDIPP

General Defense Intelligence Proposed Program

GDP

General Defense Plan (SACEUR)

GDSS

Global Decision Support System

GE

general engineering

GENADMIN

general admin (message)

GENSER

general service (message)

GENTEXT

general text

GEO

geosynchronous earth orbit

GEOCODE

geographic code

GEOFILE

geolocation code file; standard specified geographic

location file

GEOLOC

geographic location; geographic location code

GEOREF

geographic reference; world geographic reference system

GF

a nerve agent

GFE

government-furnished equipment

GFI

government-furnished information

GFM

government-furnished material

GFMPL

Graphics Fleet Mission Program Library

GFOAR

global family of operation plans assessment report

GFU

group framing unit

GHz

gigahertz

GI&S

geospatial information and services

GIAC

graphic input aggregate control

GIC

(gabarit international de chargement) international loading

gauge

GII

global information infrastructure

GLCM

ground launched cruise missile

GLINT

gated laser intensifier

GLO

ground liaison officer

GM

group modem

GMD

group mux and/or demux

GMDSS

Global Maritime Distress and Safety System

GMF

ground mobile forces

GMI

general military intelligence

GMR

graduated mobilization response; ground mobile radar

GMT

Greenwich Mean Time

GMTI

ground moving target indicator

GOCO

government-owned, contractor-operated

GOES

geostationary operational environmental satellite

GOS

grade of service

GOSG

general officer steering group

GOTS

government off-the-shelf

GP

group

GPD

gallons per day

GPEE

general purpose encryption equipment

GPM

gallons per minute

GPMDM

group modem

GPMRC

Global Patient Movement Requirements Center

GPS

global positioning system

GR

graduated response

GRASP

general retrieval and sort processor

GRCA

ground reference coverage area

GRREG

graves registration

GS

general service; general support; ground speed; group

separator

GSA

General Services Administration; general support artillery

GSE

ground support equipment

GSI

glide slope indicator

GSM

ground station module

GSO

general services officer

GS-R

general support-reinforcing

GSR

general support-reinforcing; ground surveillance radar

GSSA

general supply support area

GSSC

Global Satellite Communications Support Center

gt

gross ton

GTL

gun-target line

GTM

global transportation management

GTN

Global Transportation Network

GUARD

US National Guard and Air Guard

GUARDS

General Unified Ammunition Reporting Data System

G/VLLD

ground/vehicle laser locator designator

GW

guerrilla warfare

GWC

global weather central

GWEN

Ground Wave Emergency Network

HATR

hazardous air traffic report

HAZ

hazardous cargo

HAZMAT

hazardous materials

HB

heavy boat

HCA

humanitarian and civic assistance

HCAS

hostile casualty

HCL

hydrochloride

HCO

helicopter control officer

HCP

hardcopy printer

HCS

helicopter combat support (Navy); helicopter control

station; helicopter coordination section

HD

a mustard agent; harmonic distortion

HDC

harbor defense commander; helicopter direction center

HDPLX

half duplex

HE

heavy equipment; high explosive

HEAT

helicopter external air transport; high explosive antitank

HEC

helicopter element coordinator

HEFOE

hydraulic electrical fuel oxygen engine

HEL-H

heavy helicopter

HEL-L

light helicopter

HEL-M

medium helicopter

HELO

helicopter

HEMP

high-altitude electromagnetic pulse

HEMTT

heavy expanded mobile tactical truck

HEO

highly elliptical orbit

HERF

hazards of electromagnetic radiation to fuel

HERO

electromagnetic radiation hazards; hazards of

electromagnetic radiation to ordnance

HERP

hazards of electromagnetic radiation to personnel

HET

heavy equipment transporter

HF

high frequency

HFDF

high frequency direction-finding

HH

homing pattern

HHD

headquarters and headquarters detachment

H-hour

seaborne assault landing hour; specific time an operation

or exercise begins

HICAP

high-capacity firefighting foam station

HIDACZ

high-density airspace control zone

HIDTA

high-intensity drug trafficking area

HIFR

helicopter in-flight refueling

HIMEZ

high-altitude missile engagement zone

HIRSS

hover infrared suppressor subsystem

HIV

human immuno-deficiency virus

HJ

crypto key change

HLPS

heavy-lift pre-position ship

HLZ

helicopter landing zone

HMH

Marine heavy helicopter squadron

HMLA

Marine light/attack helicopter squadron

HMM

Marine medium helicopter squadron

HMMWV

high mobility multipurpose wheeled vehicle

HMW

health, morale, and welfare

HN

host nation

HNS

host-nation support

HOB

height of burst

HOC

human intelligence operations cell; humanitarian

operations center

HOD

head of delegation

HOGE

hover out of ground effect

HOIS

hostile intelligence service

HOM

head of mission

HOSTAC

helicopter operations from ships other than aircraft carriers

(USN publication)

HOTPHOTOREP

hot photo interpretation report

HPA

high power amplifier

HPMSK

high priority mission support kit

HPT

high-payoff target

HQ

HAVE QUICK; headquarters

HQCOMDT

headquarters commandant

HQDA

Headquarters, Department of the Army

HQFM-net

HAVE QUICK frequency modulation net

HQFMT-net

HAVE QUICK frequency modulation training net

HQMC

Headquarters, Marine Corps

HRJTF

humanitarian relief joint task force

HRS

horizon reference system

HRT

hostage rescue team

HS

helicopter antisubmarine warfare squadron (Navy);

homing single-unit

HSB

high speed boat

HSCDM

high speed cable driver modem

HSD

human intelligence support detachment

HSE

headquarters support element; human intelligence support

element

HSEP

hospital surgical expansion package (USAF)

HSI

hyperspectral imagery

HSLS

health service logistic support

HSM

humanitarian service medal

HSPR

high speed pulse restorer

HSS

health service support

HSSDB

high speed serial data buffer

HST

helicopter support team

HT

hatch team

HTERRCAS

hostile terrorist casualty

HTG

hard target graphic

HTH

high test hypochlorite

HU

hospital unit

HUD

head-up display

HUMINT

human intelligence; human resources intelligence

HUMRO

humanitarian relief operation

HUS

hardened unique storage

HVAA

high value airborne asset

HVT

high-value target

HWM

high water mark

Hz

hertz

ICON

imagery communications and operations node;

intermediate coordination node

ICP

incident control point; intertheater communications

security (COMSEC) package; interface change proposal;

inventory control point

ICRC

International Committee of the Red Cross

ICRI

interswitch collective routing indicator

ICS

incident command system; internal communications

system; inter-Service chaplain support

ICSAR

interagency committee on search and rescue

ICU

intensive care unit; interface control unit

ICVA

International Council of Voluntary Agencies

ID

identification

IDAD

internal defense and development

IDB

integrated database

IDCA

International Development Cooperation Agency

IDDF

intermediate data distribution facility

IDEAS

Intelligence Data Elements Authorized Standards

IDEX

imagery data exploitation system

IDF

intermediate distribution frame

IDHS

intelligence data handling system

IDNDR

International Decade for Natural Disaster Reduction (UN)

IDO

installation deployment officer

IDP

imminent danger pay

IDS

individual deployment site; integrated deployment system;

interface design standards; intrusion detection system

IDSS

interoperability decision support system

IDT

inactive duty training

IDZ

inner defense zone

IED

improvised explosive device

IEL

illustrative evaluation scenario

IEMATS

improved emergency message automatic transmission

system

IER

information exchange requirement

IES

imagery exploitation system

IESS

imagery exploitation support system

IEW

intelligence and electronic warfare

IF

intermediate frequency

IFC

intelligence fusion center

IFCS

improved fire control system

IFF

identification, friend or foe

IFFN

identification, friend, foe, or neutral

IFF/SIF

identification, friend or foe/selective identification feature

IFR

instrument flight rules

IFRC

International Federation of Red Cross and Red Crescent

Societies

IG

inspector general

IGSM

interim ground station module (JSTARS)

IHADSS

integrated helmet and display sight system (Army)

IIB

interagency information bureau

IICL

Institute of International Container Lessors

III

incapacitating illness or injury

IIM

intelligence information management

IIP

interoperability improvement program

IIR

imagery interpretation report; imaging infrared;

intelligence information report

IJC3S

initial joint command, control, and communications

system; Integrated Joint Command, Control, and

Communications System

IL

intermediate location

ILO

International Labor Organization (UN)

ILS

instrument landing system; integrated logistic support

IMA

individual mobilization augmentee

IMC

instrument meteorological conditions; International

Medical Corps

IMDG

international maritime dangerous goods (UN)

IMET

international military education and training

IMF

International Monetary Fund (UN)

IMI

international military information

IMINT

imagery intelligence

IMIT

international military information team

IMLTU

intermatrix line termination unit

IMM

integrated materiel management

IMMDELREQ

immediate delivery required

IMO

information management officer; International Maritime

Organization

IMOSAR

International Maritime Organization (IMO) search

and rescue manual

IMP

implementation; inventory management plan

IMS

information management system; international military

staff; international military standardization

IMSU

installation medical support unit

IMU

intermatrix unit; inertial measuring unit

IN

Air Force component intelligence officer (staff); impulse

noise; instructor

INCERFA

uncertainty phase (ICAO)

INCNR

increment number

INCSEA

incidents at sea

IND

improvised nuclear device

INF

infantry

INFLIGHTREP

in-flight report (voice only)

INFOSEC

information security

ING

Inactive National Guard

INID

intercept network in dialing

INJILL

injured or ill

INL

International Narcotics and Law Enforcement Affairs

(USG)

INM

international narcotics matters

INMARSAT

international maritime satellite

INR

Bureau of Intelligence and Research, Department of State

INREQ

information request

INS

Immigration and Naturalization Service; inertial navigation

system; insert code

INSCOM

United States Army Intelligence and Security Command

INTAC

individual terrorism awareness course

INTACS

integrated tactical communications system

INTELSAT

International Telecommunications Satellite Organization

INTELSITSUM

intelligence situation summary

INTERCO

International Code of signals

INTERPOL

International Criminal Police Organization

INTERPOL-USNCB

International Criminal Police Organization, United States

National Central Bureau (DOJ)

INTREP

intelligence report

INTSUM

intelligence summary

INU

inertial navigation unit; integration unit

INV

invalid

INVOL

involuntary

I/O

input/output

IO

information objectives; information operations;

intelligence oversight; international organization

IOC

Industrial Operations Command; initial operational

capability; intelligence operations center; investigations

operations center

IOI

injured other than hostilities or illness

IOM

installation, operation, and maintenance; International

Organization for Migration

IOP

interface operating procedure

IOU

input/output unit

IP

initial point; initial position; instructor pilot; Internet

Protocol

IPA

intelligence production agency

IPB

intelligence preparation of the battlespace

IPBD

intelligence program budget decision

IPC

interagency planning cell

IPDM

intelligence program decision memorandum

IPDP

inland petroleum distribution plan

IPDS

imagery processing and dissemination system; inland

petroleum distribution system

IPE

industrial plant equipment

IPIR

initial photo interpretation report

IPL

integrated priority list

IPO

International Program Office

IPOM

intelligence program objective memorandum

IPP

impact point prediction; industrial preparedness program

IPR

intelligence production requirement

IPRG

intelligence program review group

IPS

illustrative planning scenario; interoperability planning

system

IPSG

intelligence program support group

IPSP

intelligence priorities for strategic planning

IPT

integrated planning team; integrated process team;

Integrated Product Team

I/R

internment/resettlement

IR

incident report; information rate; information requirement;

infrared; intelligence requirement

IRAC

interdepartment radio advisory committee

IRC

International Red Cross; International Rescue Committee

IRCCM

infrared counter countermeasures

IRCM

infrared countermeasures

IRDS

infrared detection set

IRF

Immediate Reaction Forces (NATO)

IRINT

infrared intelligence

IRO

international relief organization

IR pointer

infrared pointer

IRR

Individual Ready Reserve; integrated readiness report

IRS

Internal Revenue Service

IRST

infrared search and track

IRSTS

infrared search and track sensor; Infrared Search and Track

System

IRT

Initial Response Team

IS

information system; interswitch

ISA

inter-Service agreement

ISB

intermediate staging base

ISDB

integrated satellite communications (SATCOM) database

ISE

intelligence support element

ISMMP

integrated continental United States (CONUS) medical

mobilization plan

ISO

International Organization for Standardization; isolation

ISOO

Information Security Oversight Office

ISOPAK

International Organization for Standardization package

ISOPREP

isolated personnel report

ISP

internet service provider

ISR

intelligence, surveillance, and reconnaissance

ISSA

inter-Service support agreement

ISSM

information system security manager

ISSO

information systems security organization

IST

integrated system test; interswitch trunk

ITA

international telegraphic alphabet

ITAC

intelligence and threat analysis center (Army)

ITALD

improved tactical air-launched decoy

ITAR

international traffic in arms regulation (coassembly)

ITF

intelligence task force (DIA)

ITO

installation transportation officer

ITRO

inter-Service training organization

ITU

International Telecommunications Union

ITV

in-transit visibility

ITW/AA

integrated tactical warning and attack assessment

IUWG

inshore undersea warfare group

IV

intravenous

IVSN

Initial Voice Switched Network

IW

information warfare

IW-D

defensive information warfare

IWG

intelligence working group; interagency working group

IWSC

Information Warfare Support Center