"How does the police department owning a armored personnel carrier help a patrol officer at a traffic stop?" And how does the USN carrying nuclear weapons help

"How does the police department owning a armored personnel carrier help a patrol officer at a traffic stop?" And how does the USN carrying nuclear weapons help you check passes at the gate? That aside, yes, my suggestion was that the police are more likely to need the firepower than you were, and were more likely to have to get by on their own for longer before support turned up.