U.N. Secretary General Dag Hammerjkold, in a report to the U.N. General Assembly:

“The international significance of the gulf of Aqaba must be considered to justify the right of innocent passage through the straits of Tiran and the Gulf in accordance with recognized rules of international law.”

Source:  Public Affairs Institute. Regional Development for Regional Peace: A New Policy and Program to Counter the Soviet Menace in the Middle East, Washington, DC: Public Affairs Institute, 1957