When NATO was created in 1949 Spain could not join the organization because of the authoritarian nature of general Francisco Franco regime and its cooperation with fascist Germany and Italy during the II World War. However, the USA recognized the strategic importance of Spanish territory in the period of cold war confrontation and initiated bilateral relations with Madrid in the security policy sphere in 1953. The informal cooperation of Spanish military forces with NATO followed. It was the end of the dictatorship and democratic transformation of the country that enabled Spain’s integration with the organizations of Western world. Once integration with NATO was possible, this issue sharply divided political elites of democratic Spai...