https://tarunias.com/mains-articles/north-atlantic-treaty-organization-nato-upsc/ Understand NATO UPSC: Your Shield Against Threats, Your Partner for Prosperity The North Atlantic Treaty Organization (NATO) is a cornerstone of European security and a significant actor in global affairs. Established in 1949, NATO's primary purpose is to safeguard the freedom and security of its members through collective defense. structure, and role of NATO UPSC in the contemporary world, particularly focusing on its significance for the UPSC exam.