"Being on the force for fifteen years, commanders have been banched."
I think there ought to have been used "having been on the force for fifteen years" not "beining on the force for 15 years"?
This is another question from you where you don't give full context, ostap. That's not cool. You're not new here.
After I googled your question, I found this:
He's listing what the caller said that can be used to identify him/her. The sentence is a list.Bidwell: You wanted to know the name of that anonymous caller?
Colvin: You have it?
Bidwell: Well, I got it narrowed down. A couple of things the guy said on that radio show. Been on the force for fifteen years, commanders have been benched...but before I make any direct enquiries, may I make a suggestion?
He said that he has been on the force for 15 years, he said that commanders have been benched, etc.
Please make an effort to provide full context in your questions and not make people answering you do research.