|Definition||:||North Atlantic Treaty Organization|
|Category||:||Associations & Organizations » Governmental Organizations|
What does NATO mean?
North Atlantic Treaty Organization (NATO), also called the North Atlantic Alliance, is an intergovernmental military alliance based on the North Atlantic Treaty which was signed on 4 April 1949. The organization constitutes a system of collective defence whereby its member states agree to mutual defense in response to an attack by any external party. NATO is headquartered in Brussels, Belgium.