Project Solarium was an American national-level exercise in strategy and foreign policy design convened by President Dwight D. Eisenhower in the summer of 1953. It was intended to produce consensus among senior officials in the national security community on the most effective strategy for responding to Soviet expansionism in the wake of the early Cold War. The exercise was the product of a series of conversations between President Eisenhower and senior cabinet-level officials, including Secretary of State John Foster Dulles and George F. Kennan, in the Solarium room on the top floor of the White House. Through these conversations, Eisenhower realized that strategic guidance set forth in NSC 68 under the Truman administration was insufficient to address the breadth of issues with which his