The United Nations Space Command (UNSC) is, in theory, the military defence force for Unified Earth, the civilian centre of government, and this is largely true. Comprised of the various branches of the United Nations Space Command Defence Force, the UNSC undertakes colonial security patrols, arbitrates internal conflicts and engages in external defensive and offensive operations, oversees the thriving inter-colony freight industry, and generally polices human territory to keep the peace and protect the sovereignty of Earth and all its colonies. In practice, however, in spite of its theoretical position as the UEG's military and scientific force, the UNSC's presence throughout Human space has been so ubiquitous over its four centuries of existance that the term "UNSC" has been used in the