The three orbital elevators belong to three superpower blocs. These are the Union, led by the United States of America; the Human Reform League, led by China, Russia, and India; and the AEU, led by Europe. These superpower blocs continue to play a grand zero-sum game for the sake of their own prestige and prosperity. Thus, even in the 24th Century, humanity has yet to come together as one.
In this world of never-ending conflict, a private armed organization appears, dedicated to the elimination of war through armed force. Its name is Celestial Being, and it is in possession of "Gundam" mobile suits. With these Gundams, it begins armed intervention into all acts of war.