Don’t take this the wrong way, I’m just curious - why do you believe they should they upgrade his discharge? I understand mistakes sometimes happen, but that’s probably not the way to bet.
He never spoke about it to me, and my older sister has only scant memories. So before any of us kids start dying off I want to see if this chapter in his life can be brought to a proper closure and his image and reputation be "untarnished." Eight years in the Army, and during the Korean War, is a long time in service to one's country only for some Army officer to screw it up.
Bottom line, if the Army can't justify their decision, and if they have no records to justify it, then I want to see if they'll change it. Like I said, I know it's a long shot, but I would like to see my father's image and reputation restored.