Jason, I have been inside one of these forts, they are incredibly well built.
I would like to be in one and watch Armageddon go by.
And I aint talking HMS Armageddon.
John don't look now, but you spelled Napoleonic. That buoy makes me reflect on the lovely calm weather your southern waters experience year round. It looks like it was built to withstand a nuclear (NOT nuc-yoo-lur) blast.