So I haven’t read up on all the threads in reference to Zodiac having possibly served in Vietnam, but I happened on a interesting branch of the Air Force during the early 60’s to early 70’s.

It only caught my attention because of the name of this branch and what they did…

They were called “Ranch Hands” and their call sign was “Cowboy”. They sprayed the chemical agents (agent orange) at the time.

https://www.airforcemag.com/article/0800ranch/

That is the way it was for the men of Operation Ranch Hand, the Air Force’s long-running campaign to defoliate jungles and, in so doing, deprive the Communist forces of concealment cover and food supplies. Ranch Handers had the hot, smelly, and dangerous job of spraying chemical herbicides over large expanses with maximum enemy presence and minimum protection.

The basis for Ranch Hand was simple. Americans fighting in the field wanted the jungle growth stripped from camp perimeters, lines of communication, and the Ho Chi Minh Trail, to better prevent ambushes by exposing the endless flow of North Vietnamese infiltrators and assisting in their destruction. Under the call sign “Cowboy,” Ranch Hand aircraft met these demands day after day by plunging into heavy gunfire over enemy-held terrain. Their hard work saved the lives of many US and South Vietnamese troops.

Statistics give some measure of the effort exerted by the force. Between 1962 and 1971, Ranch Hand operators flew many thousands of sorties and sprayed more than 9,000 square miles of terrain. They delivered some 19 million gallons of herbicide, 11 million of which were Agent Orange, the controversial defoliant that has been the subject of numerous inquiries 

So the ranch thing has always been a personal connection for me to the symbols as I think they are barnds, but the cowboy part (Tim holt comic) and the Air Force (wingwalkers) being coincidence with it seems like something to look at if it hasn’t already.

Possible connection to Zodiac having problems from breathing chemical agents while spraying in Vietnam?

Anywho….just found some coincidence with it all.