The war was against Syria, Jordan and Egypt. Israel believed that it was only a matter of time before the three Arab states co-ordinate a massive attack on Israel. After the 1956 Suez Crisis, the United Nations had established a presence in the Middle East, especially at sensitive border areas. The United Nations was only there with the agreement of the nations that acted as a host to it. By May 1967, the Egyptians had made it clear that the United Nations was no longer wanted in the Suez region. Gamal Nasser, leader of Egypt, ordered a concentration of Egyptian military forces in the sensitive Suez zone. This was a highly provocative act and the Israelis only viewed it one way – which Egypt was preparing to attack. The Egyptians had also enforced a naval blockade which closed off the Gulf of Aqaba to Israeli shipping.
Rather than wait to be attacked, the Israelis launched a hugely successful military campaign against its perceived enemies. The air forces of Egypt, Jordan, Syria and Iraq were all but destroyed on June 5th. By June 7th, many Egyptian tanks had been destroyed in the Sinai Desert and Israeli forces reached the Suez Canal. On the same day, the whole of the west bank of the Jordan River had been cleared of Jordanian forces. The Golan Heights were captured from Syria and Israeli forces moved 30 miles into Syria itself.
The war was a disaster for the Arab world and temporarily