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Governmental Abbreviations

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Term Meaning / Abbreviation
IRCM

IRCM Stands For : Infrared Countermeasures.

IRD&S

IRD&S Stands For : International Research.

IRDS

IRDS Stands For : Infrared Detection Set.

IRDSS

IRDSS Stands For : Infrared Defeating Smoke system.

IREMBASS

IREMBASS Stands For : Improved Remotely Monitored Battlefield Sensor System.

IRF

IRF Stands For : Immediate Reaction Force | Immediate Reaction Forces | Incident Response Force | International Road Federation.

IRFPA

IRFPA Stands For : Infrared Focal Plane Array.

IRG

IRG Stands For : Iraq Republic Guard | Inertial Rate Gyro | Inner Roll Gimbal.

IRGCN

IRGCN Stands For : Iranian Revolutionary Guard Corps Navy.

IRIAF

IRIAF Stands For : Islamic Republic of Iran Air Force.

IRIAM

IRIAM Stands For : Integrated Radar and Infra-red Analysis and Modeling.

IRIG

IRIG Stands For : Inter Range Instrumentation Group | Inertial Rate Integrating Gyro.

IRINT

IRINT Stands For : Infrared Intelligence.

IRISA

IRISA Stands For : Intelligence Report Index Summary File.

IRJH

IRJH Stands For : Infrared Jammer Head.

IRMO

IRMO Stands For : Information Resources Management Office.

IRMS

IRMS Stands For : Information Resource Management Services.

IRN

IRN Stands For : Interface Revision Notice | Interface Revision Notice.

IRO

IRO Stands For : Internal Review Office | Independent Review Organization | International Relief Organization.

IRR(s)

IRR(s) Stands For : incidence rate ratio(s).

IRST

IRST Stands For : Infrared Search and Track | Infrared Search and Track (Capability).

IRSTS

IRSTS Stands For : Infrared Search and Track Sensor | Infrared Search and Track System.

IRT

IRT Stands For : Independent Review Team | Initial Response Team | Interborrough Rapid Transit | Immigration Review Tribunal.

IRTT

IRTT Stands For : Initial Round Trip Time.

IRV

IRV Stands For : Improved Recovery Vehicle | Improved Inter-Range Vector | Isotope Reentry Vehicle | Incident Response Vehicle | Instant-Runoff Voting | Improved Recovery Vehicle | Instant Runoff Voting.

IS3

IS3 Stands For : In-transit Security and Survivability System.

ISAM

ISAM Stands For : Information Security Awareness Month | Information Security Awareness Month | Information Security Awareness Month.

ISAP

ISAP Stands For : Individual System Automation Plan.

ISAR

ISAR Stands For : Inverse Synthetic Aperture Radar | Income Support Application Rejection.

ISB

ISB Stands For : Initial Staging Base | Intermediate Staging Base | Iowa School Board | Inter-State Bus.

ISC

ISC Stands For : Information Systems Center | Information Systems Command | Integrated Strategic Communication | Integrated Support Command | Integrated System Control | Inter-Software Commo | Intermediate Service Center | Interservice Separation Codes | Interstellar Space Craft | Idle Speed Control | International Standards Committee | Interstate Stream Commission.

ISCA

ISCA Stands For : Integrated Support Command Alameda.

ISCF

ISCF Stands For : Institutional Support Career Field.

ISCU

ISCU Stands For : Independent Support Coordination Units.

ISDB

ISDB Stands For : Integrated Satellite Communications (SATCOM) Database.

ISEA

ISEA Stands For : In Service Engineering Agent.

ISEC

ISEC Stands For : Information Systems Engineering Command.

ISEF

ISEF Stands For : International Science and Engineering Fair.

ISEIC

ISEIC Stands For : Information Systems Engineering Integration Center.

ISEMP

ISEMP Stands For : Integrated Systems Evaluation Management Plan.

ISF

ISF Stands For : Integrated Support-Fielding | Intelligent Strong And Fast | Industrial Space Facility | Internal Security Force.

ISG

ISG Stands For : Information Synchronization Group | Iraqi Survey Group | ISTP Scheduling Group | Integrated Starter Generator.

ISHM

ISHM Stands For : Integrated System Health Monitoring.

ISM

ISM Stands For : Imperial Service Medal | Installation Support Module | Integrated Sustainment Maintenance | International Safety Management | Industrial Security Manual | International Solidarity Movement.

ISMA

ISMA Stands For : Information Systems Management Activity.

ISMCS

ISMCS Stands For : International Station Meteorological Climatic Summary.

ISMMP

ISMMP Stands For : Integrated Continental United States (CONUS) Medical Mobilization Plan.

ISN

ISN Stands For : Bureau of International Security and Nonproliferation | Intelligent Sensor Network | Internal Serial Number | Internment Serial Number | Intelligent Sensor Network | Inter-Set Network | International Security Network.

ISNS

ISNS Stands For : Integrated Shipboard Network System.

ISO/OSI

ISO/OSI Stands For : ISOs Open Systems Interconnect.