Yes, the Wikipedia article you’re quoting goes on to state:

On 5 June 1967, as the UNEF was in the process of leaving the zone, Israel launched a series of preemptive airstrikes against Egyptian airfields and other facilities, launching its war effort.[24] Egyptian forces were caught by surprise, and nearly all of Egypt’s military aerial assets were destroyed, giving Israel air supremacy.

You can shut up now tbph. Not responding further.