The Catahoula Leopard Dog has been recorded in the Foundation Stock Service since 1996. Other names for the breed include Louisiana Catahoula Leopard Dog, Catahoula Cur, Catahoula Hog Dog and Catahoula Hound. The Catahoula Leopard Dog has been assigned the Herding Group designation.
What is National Stock Number (NSN) National Stock Number (NSN) is a 13-digit numeric code, identifying all the standardized material items of supply as they have been recognized by all NATO countries including United States Department of Defense (DOD). The NSN is used in all treaty countries, where it is also known as a NATO Stock Number.
SSN (hull classification symbol) USS New Hampshire (SSN-778), a Virginia-class submarine. An SSN is a nuclear-powered general-purpose attack submarine. SSN is the US Navy hull classification symbol for such vessels; the SS denotes a submarine and the N denotes nuclear power. The designation SSN is used not just in the United States Navy (USN), but throughout NATO under STANAG 1166.