International Air Service Transit Agreement

International Air Transport Agreement

International Recommended Transit Corridor (IRTC)

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 air service

scheduled international air service

bilateral air transport agreement

Air Transport Agreement

Digest of Bilateral Air Transport Agreement

drug transit routes

group transit

group transit speed

in-transit visibility (ITV)

latest arrival date (transit)

reverse transit

transit

transit of resources

transit railway

transit route

low-level transit routes (LLTR)

transit corridor

cargo in transit

direct transit area

in-transit freight

transit airport

transit flight

International Aviation Weather Service Programme

international earth rotation service

international telecommunication service

arms control agreement

arms limitation agreement