On May 9, 1955, West Germany was admitted into the North Atlantic Treaty Organization (NATO), just ten years after the end of World War II. This significant event marked a crucial step in the integration of Germany into the Western defense alliance against the Soviet bloc, symbolizing a dramatic shift from its recent past as a vanquished aggressor to a partner in maintaining European and Atlantic peace. West Germany’s membership in NATO not only reshaped its own national defense strategy but also influenced the geopolitical dynamics of the Cold War era.