No, I meant "Newton County," but wrote "Vernon County." It's been a long day. I researched for Newton County. Not to worry about that.
I wish you good hunting. I really tried to crack this one for you, but the combination of the man's common name and lack of information about his unit kept the solution from my grasp. I hope you can find the answer from the people in Neosho.
Perhaps others who read this can help, too.