International Court of Aviation and Space Arbitration

International Aeronautics and Space Show

International Air and Space Fair

international humanitarian law (See international law of armed conflict)

International legion for the Defence of Ukraine (ILDU) / International Legion of Territorial Defence of Ukraine / Ukrainian Foreign Legion

International Military Sports Council (IMSC) / Conseil International du Sport Militaire (CISM)    

international space station (ISS)

International Civil Aviation Organization (ICAO)

working group on meteorological services to be provided to international general aviation

International Agricultural Aviation Center

International aviation data registry

international aviation emission(s)

International Aviation Management Training Institute

International Aviation Safety Assessment Programme

International Aviation Weather Service Programme

International Business Aviation Council

International Data Exchange for Aviation Safety Group

international general aviation

application of space techniques relating to aviation

court martial (pl. courts-martial)

court-martial charges

court-martial order

drumhead court martial

field court-martial

general court-martial order

provost court

special court-martial order

summary court-martial order

trailer court

court casualties

special court-martial

air court-martial

Space System for Tracking Ships and Aircraft in Distress – Search and Rescue Satellite (COSPAS-SARSAT)