airline telecommunication and information service

aeronautical telecommunication service

international telecommunication service

panel on aeronautical fixed telecommunication in Europe

aeronautical telecommunication network panel

ITU (International Telecommunication Union)

cargo airline

regional airline

airline terminal

feeder airline

local airline

scheduled airline

short-haul airline

state-owned airline

information and technical support service

compartmented information (sensitive compartmented information [SCI])

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

antiaircraft information service

Artillery Information Service

operational flight information service

preflight information service

aerodrome flight information service

automatic terminal information service (ATIS)

aeronautical information service (AIS)

branch (military/service branch, armed service)

separate from active service / the service

Y service (Y-service) / Y-station

regional meteorological service/ regional weather service (RWS)

emergency service / emergency operations service

Automated Command and Control Information System (ACCIS)

battlefield information collection and exploitation system

command and control information system

command, control and information systems (CCIS)