flash-type communications system

flash to bang / flash-to-bang (time)

flash-ranging (location), flash-spotting

axis of signal communications type system

area communications system

command communications system

communications and intelligence system

communications system

division communications system

NATO Integrated Communications System

satellite-based communications system (SATCOM)

tactical communications system

buried and hardened cable communications system

bell-ringer communications system

air traffic control communications system

fleet satellite communications system

data communications management system

satellite communications system (SATCOM)

aerial communications system

wideband communications system

echelon-to-echelon communications system

seismic communications system

single-axis communications system

grid communications system

Target, Trigger, Location, Observer, Delivery system, Attack guidance, and Communications (TTLODAC)

grid system of communications

high command communications system

capacitor-type ignition system

induction-type ignition system

full solution director-type fire control system

fire extinguishing system sprinkler system and fire alarm system

flash (precedence)

flash a signal