Sinai Peninsula the boundary between Egyptian territory in Africa and the Sinai Peninsula. Thereafter, Israeli ships were prohibited from using the Canal, owing to the state of war between the two states. Egypt also prohibited ships from using Egyptian territorial waters on the eastern side of the peninsula to travel to and from Israel, effectively imposing a blockade on the Israeli port of Eilat. In October 1956, in what is known in Egypt as the Tripartite Aggression, Israeli forces, aided by Britain, and France (which sought to reverse the nationalization and regain control over the Suez Canal), invaded Sinai and occupied much
Egyptian Army Officers, led by Muhammad Naguib and Gamal Abdel Nasser, overthrew King Farouk in the Egyptian Coup d'etat of 1952. The Free Officers then concluded the Anglo–Egyptian Agreement of 1954, with Great Britain. This agreement stated Britain would withdraw its troops based in the Suez Canal. During the Cold War, the army actively fought in the Suez Crisis, known in Egypt and the Arab World as the "Tripartite Aggression", the North Yemen Civil War from 1962 to 1967, and the 1967 Six-Day War. Just before the Suez Crisis, politics rather than military competence was the main criterion for promotion. The Egyptian