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The United Nations Space Command is the government that controls all the worlds in the Halo universe. It operates out of the United Nations. There are a few sections of the UNSC, the UNSC Marine Corps, The UNSC Navy, ONI (The Office of Naval Intelligence), and the little known UNSC Army. The UNSC has fought several major battles in its history, starting with the Jovian Moons campaign, the Rainforest Wars, all the way to humanity's near extinction with the UNSC/Covenant War in which they emerged victoriously.
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