Bell administrative network communication system
communication administration system
Communication Network System
Distribution Network Communication System
Network Communication System
Power System Communication Network
WSCS Weapon System Communication System
NAS Network Administration System
the resources in the computer network administration system
human resources system administration system
1553B communication system
3G communication network
3G communication system
3G mobile communication system
3rd Generation Mobile Communication System
A space-ground laser communication system
ABCAutomatic Base Communication System
acoustic communication system
adaptive communication system