The United Americas is a nation formed on September 16, 2197 out of the alliance of the former United States of America and the former nation of Mexico. It is a major interstellar power that controls many worlds.


The military of the United Americas consists of at least two branches, one of which is the United Americas Marine Corps (UAMC). The UAMC provides the United Americas with strategic mobility at the interstellar level, either in defense of United Americas colonies or as an offensive force.


The United Americas maintains a large number of offworld colonies. Known colonies include: