FIPS 10: FIPS 10 codes are intended for general use throughout the US Government, especially in activities associated with the mission of the Department of State and national defense programs. ISO 3166: ISO 3166 codes have been adopted in the US as American National Standard Codes for the Representation of Names of Countries, Dependencies, and Areas of Special Sovereignty for Information Interchange. STANAG 1059: STANAG 1059 is a Standardization Agreement (STANAG) established and maintained by the North Atlantic Treaty Organization (NATO/OTAN) for the purpose of providing a common set of geo-spatial identifiers for countries, territories, and possessions. INTERNET: The Internet country code is the two-letter digraph maintained by the International Organization for Standardization (ISO) and used by the Internet Assigned Numbers Authority (IANA) to establish country-coded top-level domains.