communications service
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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
air-to-ground communications equipment
Battle Management, Command, Control, Communications and Intelligence (BMC3I)
battlespace communications network
command and communications ship
command, control, communications, computers, and intelligence (C4I)
command, control, communications, computers, cyber-defense, combat systems (C6)
command, control, communications, intelligence (C3I)
command, control, computers, communications, cyber-defense (C5)
commercial satellite communications (COMSATCOM)