More Than a DoctrineGiven on January 5, 1957, the Eisenhower Doctrine Address forever changed Americas relationship with the Middle East. In the aftermath of the Suez Crisis, President Dwight D. Eisenhower boldly declared that the United States would henceforth serve as the regions protector of freedom against Communist aggression. Eighteen months later the president invoked the Eisenhower Doctrine, landing troops in Lebanon and setting an enduring precedent for U. S.