members - (3) Canada, Mexico, US

North Atlantic Treaty Organization (NATO): established - 4 April 1949

aim - to promote mutual defense and cooperation

members - (26) Belgium, Bulgaria, Canada, Czech Republic, Denmark,
Estonia, France, Germany, Greece, Hungary, Iceland, Italy, Latvia,
Lithuania, Luxembourg, Netherlands, Norway, Poland, Portugal, Romania,
Slovakia, Slovenia, Spain, Turkey, UK, US

Nuclear Energy Agency (NEA): note - also known as OECD Nuclear Energy
Agency

established - 1 February 1958

aim - to promote the peaceful uses of nuclear energy; associated with OECD

members - (28) Australia, Austria, Belgium, Canada, Czech Republic,
Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,
Italy, Japan, South Korea, Luxembourg, Mexico, Netherlands, Norway,
Portugal, Slovakia, Spain, Sweden, Switzerland, Turkey, UK, US

Nuclear Suppliers Group (NSG): note - also known as the London
Suppliers Group or the London Group

established - NA 1974; effective - NA 1975