Cheyenne Mountain.
Among the endless mountains was the last fortress of the UA.
It contained more than two hundred internal networks composed of super large and large computers and more than six hundred dedicated communication lines. Data obtained by all UA military satellites, civilian satellites, air radar early warning systems, and ground radar early warning systems were also compiled here. In addition, the command center also maintained hundreds of backup hotlines, which was used to keep the communication open with the President of the UA, the top military command, major UA headquarters, Canada, and major UA military bases distributed around the world at any time.
Even though this fortress was deep in the mountains, its reach was far beyond the reach of the traditional military command. The President of the UA could command the Army, Air Forces, and Navy here and call on his people to resist against the invasion of Celestial Trade.