Emergence of the new dynamics that has come out along with the changes in the international system has affected the relations between The United States and Turkey. Emerging developments in international relations after the September 11 attacks and Justice and Development Party (JDP) came to power in 2002 was a turning point in Turkish-foreign policy. In this paper, the Turkey- US relations during the period of JDP after 2002 was explored in two chapters entitled as periods of Bush and Obama, and analyzed in the framework of two concepts " strategic partnership and model partnership."