international space station (ISS)

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 Peace Institute (IPI) / International Peace Academy (IPA)

International Aeronautics and Space Show

International Air and Space Fair

International Court of Aviation and Space Arbitration

space station

space station garage

total station (TS) / total station theodolite (TST)

all-embracing system of international security

Bureau of International Narcotics Matters

comprehensive system of international security

international agencies and alliances

International Air Transport Association (IATA)

international alliance

international arrest warrant

International Civil Aviation Organization (ICAO)

international civil presence

International Civilian Mission in Haïti (MICIVIH)

International Committee of the Red Cross (ICRC)

international community

international conspiracy

International Convention on the Conduct of Warfare

international date line

international disaster relief

International Disaster Relief Operation (IDRO)

International Independent Investigation Commission - Lebanon (UNIIIC)

international law of armed conflict

international military inspection

international military presence

International Military Staff (IMS)