Y Symbolism

I was reading an article on Israels Unit 8200.

https:// israeldefense.co.il/en/content/peek-inside-idf-8200s-combat-intelligence-unit

They interviewed Lt Col Y !!!

"There are some operations which last a few hours, and some operations which last a few days," said Lt. Col. Y., the head of the unit and a former Shaldag commando. "There were even times when we were out on the field for several months."