| Acronym | Meaning |
![](file.png) | ISTC | U.K. Institute Of Scientific And Technical Communications |
![](file.png) | ISTS | Intel Science Talent Search |
![](file.png) | ISU | Integrated Sight Unit - International Skating Union |
![](file.png) | IT | InferoTemporal (neurophysiology) - Information Technology -Italy (FIPS 10-4 Country Code; ISO 3166 Digram) |
![](file.png) | IT | Italian Language (ISO 639-1 Code) |
![](file.png) | ITA | Italian Language (ISO 639-2 Code) |
![](file.png) | ITA | Italy (ISO 3166 Trigram) |
![](file.png) | ITAG | Inertial Terrain-Aided Guidance |
![](file.png) | ITALY | I'll Truly Always Love You |
![](file.png) | ITAS | Improved Target Acquisition Sight |
![](file.png) | ITC | InferoTemporal Cortex (neurophysiology) |
![](file.png) | ITEC | Information Technology Exposition & Conference |
![](file.png) | ITEMS | Interactive Tactical Environment Management System |
![](file.png) | ITER | International Thermonuclear Experimental Reactor |
![](file.png) | ITK | In The Know |
![](file.png) | ITN | Independent Television News (British) |
![](file.png) | ITS | Incompatible Time-sharing System - Individual Training Standards |
![](file.png) | ITT | International Telephone And Telegraph (U.S.) |
![](file.png) | ITTO | International Tropical Timber Organization |
![](file.png) | ITU | Intent-to-Use - International Telecommunication Union (International Telegraph Union 1865-1932) |
![](file.png) | IU | Inuktitut Language (ISO 639-1 Code) |
![](file.png) | IUCN | International Union For The Conservation Of Nature And Natural Resources (World Conservation Union) |
![](file.png) | IUPAC | International Union Of Pure And Applied Chemistry (pronounced Eye-yoo-pac) |
![](file.png) | IUSS | Integrated Undersea Surveillance System - Integrated Unit Simulation System - International Union Of Soil Science |
![](file.png) | IV | C?te D'Ivoire (FIPS 10-4 Country Code; From Ivory Coast) - Four (in Roman Numerals) -IntraVenous (as In Intravenous Drip Or Intravenous Therapy) |
![](file.png) | IVD | Internet Video Device |
![](file.png) | IVECO | Industrial Vehicles Corporation |
![](file.png) | IVF | In Vitro Fertilisation |
![](file.png) | IVI | Interchangeable Virtual Instrument |
![](file.png) | IVIS | Inter-Vehicle Information System |
![](file.png) | IVL | Inter-Visibility Line |
![](file.png) | IVM | In Vitro [Oocyte] Maturation |
![](file.png) | IVO | In Vicinity Of |
![](file.png) | IW | Information Warfare |
![](file.png) | IWARS | Infantry Warrior Simulation |
![](file.png) | IWC | International Whaling Commission |
![](file.png) | IWW | Industrial Workers Of The World |
![](file.png) | IX | Nine (in Roman Numerals) |
![](file.png) | IY | Iraqi-Saudi Neutral Zone (FIPS 10-4 Territory Code; Obsolete 1993) |
![](file.png) | IZ | Iraq (FIPS 10-4 Country Code) |
![](file.png) | J | TENS -Joint-Tactical Exploitation Of National Capabilities |
![](file.png) | J | Joule |
![](file.png) | J1 | Joint [Manpower &] Personnel Directorate |
![](file.png) | J2 | Joint Intelligence Directorate |
![](file.png) | J2EE | Java 2 Platform |
![](file.png) | J2ME | Java 2 Platform |
![](file.png) | J2SE | Java 2 Platform |
![](file.png) | J3 | Joint Operations Directorate |
![](file.png) | J4 | Joint Logistics Directorate |
![](file.png) | J5 | Joint Strategic Plans & Policy Directorate |