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
Suez Crisis to gather intelligence from British bases in Cyprus. The British relationship with the United States did not suffer lasting consequences from the crisis. "The Anglo-American 'special relationship' was revitalised immediately after the Suez Crisis", writes Risse Kappen. The United States wanted to restore the prestige of its closest ally and thus "The two governments...engaged in almost ritualistic reassurances that their 'special relationship' would be restored quickly". One example came with Britain's first Hydrogen bomb test Operation Grapple which led to the 1958 U.S.–UK Mutual Defence Agreement. Six years after the crisis, the Americans amazed the British by selling them state-of-the-art