International Standard Atmosphere (ISA)

trajectory within a standard atmosphere

static ceiling (the highest altitude at which the helicopter is capable of hovering in standard atmosphere) / hover ceiling

jet standard atmosphere (JSA)

standard atmosphere

international aircraft standard

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)    

atmosphere control equipment

turbulent atmosphere area

adiabatic atmosphere

atmosphere

atmosphere sounding

Special Report on Aviation and the Global Atmosphere

ambient atmosphere

dense atmosphere

disturbed atmosphere

disturbed atmosphere flight

dusty atmosphere

Earth’s atmosphere

free atmosphere

high-density atmosphere

life-sustaining oxigen-nitrogen atmosphere

low-density atmosphere

upper atmosphere

atmosphere-bearing celestial body

adjust to a standard

military standard requisitioning & issue procedure (MILSTRIP, NATO)

non-standard military uniform

non-standard unit

standard crossing equipment

standard day of supply (SDOS)