hack (into) a computer (system / network)

on-board digital computer / on-board computer

computer-to-computer communication

radiotelephony network system

network centric system

network-centric control system

computer-based fire control system

flight computer system (FCS)

computer-generated image system

computer-generated image visual system

performance data computer system

battery computer system

air data computer system (ADC)

airdata computer (ADC) system

flight management computer system

agent / agent network / agents

battlespace communications network

cell network

communications network

Defense Information Systems Network (DISN)

Global Outbreak Alert Response Network (GOARN, WHO)

IED network

Joint Aerial Layer Network (JALN)

network

road network

secret internet protocol router network (SIPRNET)

simulation network

sophisticated communications network

terrorist network

transportation network

airfield network

network communications centre (NCC)

automatic data communications network