international agencies and alliances

intelligence and CI agencies

List of Operational Contact Points between Vulcanological Agencies, Meteorological Watch Offices and Air Control Center

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)    

civilian agencies

drug enforcement agencies

law enforcement agencies

specialized agencies

cue target acquisition agencies

foreign intelligence agencies иностранные разведывательные служби

Western intelligence agencies

Western security agencies

undeclared member of the intelligence or counter-intelligence agencies

intelligence agencies

clandestine agencies

spy agencies

observation and fields of fire, avenues of approach, key and decisive terrain,obstacles, and cover and concealment (OAKOC)

International Aeronautics and Space Show

International Air and Space Fair

international air transport regulation: present and future

International Council of Aircraft Owner and Pilot Associations

International Court of Aviation and Space Arbitration

Center for Strategic and International Studies (CSIS)

all-embracing system of international security

Bureau of International Narcotics Matters

comprehensive system of international security

International Air Transport Association (IATA)

international alliance

international arrest warrant

International Civil Aviation Organization (ICAO)

international civil presence