Did you ever serve in the military? If so, what branch? What was your rank (if applicable)?
What years did you serve? Where did you serve? What wars were you involved in?
What type of work did you perform?
Why did you decide to enlist or were you drafted?
Did you see combat? What was that like?
Were you injured while on duty? How did it happen?
What did you do for entertainment?
Did you keep a diary/keep in touch with your family? Do you still have it?
Did you make any close friendships while in service? Can you tell me about one?