 Complete the following phrase:  Tantawy, who is of Nubian origin, joined the Egyptian Military Academy in 1952 and received his commission as an Army officer on 1 April 1955 in the infantry. The following year he took part in the Suez War or the Tripartite Aggression as it is often known in Egypt as an infantry platoon commander. He was promoted to Major in 1961 and commanded an infantry company in Yemen during the 