Foreign power

Any foreign government (regardless of whether recognized by the United States), foreign-based political party (or faction thereof), foreign military force, foreign-based terrorist group, or any organization composed, in major part, of any such entity or entities. (DoD 5240.1-R, Dec 1982).

Source: Terms & Definitions of Interest for DoD Counterintelligence Professionals, Office of the National Counterintelligence,