I’m not deliriously happy about any of the candidates. They all have major drawbacks.
It is possible for someone to have character without military service. And military service isn’t a guarantee that you can do the job well.
I would prefer someone who had done some service. Did Richard Nixon ever serve? Wasn’t he raised Quaker?
Nixon was in the Navy, I think before WWII.
Nixon was a Navy Officer in the Pacific in WWII