Turkish-American relations date back to the 1800s; however, they were far from well developed and did not solidify until the end of World War II. After an alliance of fifty years, the Second Iraq War indicated doomsday scenarios in terms of U.S.- Turkish relations in the minds of many scholars. The Turkish Parliament's rejection of the proposal of a second Turkish front for American troops in Northern Iraq, as well as the July 4 incident in Sulaymaniyah in 2003, froze the dynamics of the relations Yet, when the history of the relations from the end of World War II until 2003 is examined carefully, it should be clear that every time there was a deterioration of the mutual relations, they were replaced a period of improvement, as the common interests of both countries outweigh the differences. This book aims to show that regardless of the level of deterioration, in terms of mutual relations, Turkish-American relations are inclined to improve. For this reason, it can be assumed that the deteriorated relations of the Second Iraq War will follow the trend toward improvement in the future.