The creation of the Baghdad Pact, a regional defence organization linking Britain to Iraq, Turkey, Iran and Pakistan, in 1955, has been surrounded by historiographical confusion. Much of this is explicable in terms of the impact of rapid international changes on long-term strategy, the importance of which has tended to be neglected by historians of the pact. So, one school of thought focuses on the American promotion of the ‘Northern Tier’ concept during the period 1953–4, and on the British preference for an organization based on her Suez Canal Zone Base in Egypt.1 Applyingthis concept to the year 1955, the Baghdad Pact can become ‘the United States’ final victory over Great Britain during the Cold War, a victory which the Suez Crisis of 1956 served to confirm.