The PBA is a police union. I mean, I guess that they would take your dues each month, but they are not going to be able to negotiate with the Army on your behalf for raises or work conditions. I am not sure why you would want to just to give people your money. I am taking donations if you are. If you want to go out and drink with cops take that money go to the local cop bar and buy a round they will love you. Just don't be a groupie. That is only allowed for badge bunnies.
I'm a member of the Southern States PBA. As far as I know PBA will not help you if are on AD as an MP. Now if you are in the Guard or Reserve and you are a LEO for your civilian job and a member of PBA they will help you help you if you get sued. Also PBA here in the South is not a union. Can't speak for other PBA chapter's across the country.
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