The relationship between the United States and the United Arab Emirates is becoming increasingly complex and strategic. The two countries’ strategic partnership in the fields of security, military, political, and intelligence has also acted as a facilitating variable in this field. The UAE acts as the US financial arm in support of institutionalization and democratization and promotion of liberal values in Iraq, Syria, Lebanon, Afghanistan, Pakistan, Libya, Yemen and, Palestine. The article’s main question is that how and why the United Arab Emirates and the United States aretrying to contain Iran in the Middle East? In this regard, using the theoretical propositions of aggressive realism, the hypothesis is that the United States has defined a unique role for the UAE in transferring responsibility to regional actors to decrease Washington's balance cost in the Middle East and North Africa. The method used in the present article is based on a descriptive-analytical approach and the data is collected through library researches, interviews with experts, and reliable internet sources.