Allows the use of the radar screen as long as there is sufficient power. The radar screen allows for long range views of the battlefield and for commanding units over great distances. When playing as Nod against GDI in the solo play missions, destroying the GDI's Radar Facility will keep GDI from launching A-10 airstrikes against you. - Command & Conquer (1995) manual
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During the First Tiberium War, military communications and radar uplinks were all being coordinated from a single facility in each base: the communications center. It was a low-profile single story structure with most of the facilities located below ground level. Its bunker-like construction was sturdy, to endure all but the heaviest punishment. Its distinguishing feature was a tall radio mast, which was its link to the outside world.
Inside, numerous status displays were present as well as a holographic projector for briefing commanders. Below, the facility's main command center was located as well as the private communication chamber, the mainframes and the heart of the facility, the Master Control Terminal.
The structure was in use by both the Global Defense Initiative as well as the Brotherhood of Nod. GDI developed an advanced version of this structure, capable of interfacing with the orbital ion cannon. Eventually, as communication systems were miniaturized and became more advanced, the need for a separate building dealing with communications stopped, its role taken over by dedicated radar stations.