Bulgaria, Estonia, Latvia, Lithuania, Romania, Slovakia and Slovenia joined NATO today. What is the role of this organization today? It was started in 1949 to counter the SOVIET threat that ended 13 years ago. Who is the enemy of Nato now? Russia does not appreciate the expansion of Nato in it's backyard. I know I wouldn't want to see Canada/Mexico join the Warsaw pact if the roles were reversed. Is the addition of these countries more political symbolism rather than global military strategy?