it won't be approved based on these facts............

It would seem you are liable for the expenses as per your post.

When charged with a crime there is always the possibility of a conviction. Retain the best lawyer you can afford.

Yes he can. Lots of people who say they are innocent get convicted.

Unlike the AFBCMR you do not get an official request for reconsideration from the AFDRB. They can count your personal appearance as a "request for...

Yes they can. They are in charge, they set the rules.

Any private property owner can ban you from their property.

Most of the DRBs are using 3 people now. I and other lawyers have been pushing back, but it will likely take a federal lawsuit to resolve the issue.

Absent injury, you are entitled to a refund, but that's it.

None of us can answer this. You are an "at will" employee, so any discipline is up to your employer.