What does Isr stand for?

Israel (VRA)

Israeli (DIAR)

Desert Eagle - NCIC firearms make code (NCIC)

Ice Sounding RADAR

Identification Safety Range - Military (NVT)

Image Storage Retrieval

Impulse Sequencing Relay

Incoherent Scatter RADAR - Instrumentation

Incstar Corp. - AMEX symbol (SPSG)

Indian State Railway (ROG)

Indian State Railways (SAUO)

Indirect Source Review - Environmental Protection Agency (FFDE)

Individual Schedule Request (SAUS)

Individual Soldier Radio - Military

Individual Soldier's Report

Induction Skull Remelting (SAUS)

Inductive Source Resistivity (SAUS)

Industrial Security Regulations - DoD

Information Processing and Management - A publication (SAUS)

Information Research and Retrieval (SAUO)

Information Service Representative - Veterans Administration

Information Storage and Retrieval - Computer science

Information Systems Research (SAUO)

Infrared Scanning Radiometer (KSC)

Infrared Spectral Radiometer (SAUS)

Initial Sample Report

Initial Selection Routine (SAUS)

Initial Spares (SAUS)

Initial System Release (MCD)

Innovative Systems Research (NITA)

Input Select and Reset (IAA)

Input Selection Routine (SAUS)

Input Shift Register

Input Status Register (SAUS)

In-Service Recruiter - Army

In-Service Repair (SAUS)

In Situ Remediation (ABAC)

In Situ Rinse (AAEL)

Inspection/Surveillance Report (SAUO)

Installation Status Report - Military technology (DDF)

Institute for Scientific Research - Boston College (RCD)

Institute for Sex Research, Inc. - National Institute of Mental Health (IID)

Institute for Social Research - University of Michigan (EA)

Institute for Social Research - York University - Information service or system (IID)

Institute for Social Responsibility and Ethics in Education - San Jose State University (RCD)

Institute for Software Research - University of California, Irvine (RCD)

Institute for Space Research (SAUS)

Institute for Standards Research (SAUS)

Institute for Storm Research (MCD)

Institute for Study of Regulation - Defunct (EA)

Institute for Systems Research - Research center (RCD)

Institute of Seaweed Research - British

Institute of Semiconductor Research - Former USSR

Institute of Sex Research (SAUS)

Institute of Snow Research (SAUO)

Institute of Social Research - Indiana University - Information service or system (IID)

Institute of Surgical Research - San Antonio, TX - Army

Institutional Supporting Research (SAUO)

Instructional System Review

Instrumentation Status Report (MUGU)

Insulin Secretion Rate - Medicine (DMAA)

Integral Superheat Reactor

Integrated Safety Review (ACAE)

Integrated Secretory Response - Biochemistry (DAVI)

Integrated Support Requirements (AAG)

Integrated Systems Research - Automotive supplier

Intelligence Systems-Rear (SAUS)

Interagency Source Register - Intelligence (MCD)

Interdisciplinary Science Reviews - A publication (SAUS)

Interim Scientific Report

Interim System Review (SSD)

Interim Systems Review (SAUS)

Intermediate Session Routing

Intermediate Sodium Removal - Nuclear energy (NRCH)

Internal Scientific Report

International Sacred Recordings, Christian Artists' Record Corp. - Record label

International Sanitary Regulations - World Health Organization

International Shasta Resources - Vancouver Stock Exchange symbol

International Society for Radiology (SAUS)

International Society of Radiobiology (SAUO)

International Society of Radiology - Berne, Switzerland (EA)

International Sourdough Reunion (EA)

International Sporthorse Registry - Association (EA)

International Star Registry

International Strategic Registrations - Manufacturing quality

International Student Relief - Later, WUS

International Submarine Race

International Survey Research - London consultancy firm

International Synthetic Rubber Co. - United Kingdom

Interrupt Service Register (SAUS)

Interrupt Service Routine (IEEE)

Interrupt Status Register (IAA)

Interrupt Status Report (SAUS)

Intersecting Storage Ring - High-energy physics

Intersecting Storage Routine (SAUS)

Inventory Status Report

Iowa Southern Railroad - Federal Railroad Administration identification code

Iraq Syrian Railroad (SAUO)

Israel - ANSI three-letter standard code (CNC)

Istra Air - Slovakia - ICAO designator (FAAC)

Methodist Medical Center of Illinois, Peoria, IL - OCLC symbol (OCLC)

Skier's Choice Inc., Maryville, TN - Manufacturer code for watercraft hull identification number (USCG)