The monograph examines the causes, course and features of the struggle at sea during the Iran-Iraq war of 1980–1988. The author conducts a comprehensive analysis of the development and state of the naval and air forces of Iran and Iraq at the beginning of the conflict. A significant place in the book is devoted to consideration of issues of the military presence and experience of using naval groups of a number of NATO countries in the Persian Gulf zone and their influence on the development of the situation and the methods of action of the warring parties. The work is addressed to specialists, as well as a wide range of readers interested in military history.