In Newport, RI, there are still 5 inch and AA artillery foundations lining Ocean Drive. These could be considered town fortifications, since they weren't on base, yes?
Would be a nice addition to have 2-3 additional manned acks, or small anti-ship batteries protecting the shore and town, IMO.
Of all the boneheaded things I see on this forum, this thread seems bears some credibility, and at least an idea that could be taken into consideration.