It is easily the most capable surface combatant ever conceived, but when the Navy saw the price-tag for the finished product it decided to buy only three rather than the 32 planned, meaning it spent billions of dollars to get to a point where it could build a mere handful of vessels.
While most brass pens are heavily lacquered to preserve their lustre, the Hatch is finished with just a thin coat intended to wear away quickly, leaving the hygienic surface exposed.
What at first glance appears to be a jumble of boulders was probably a workshop where expert stonecutters practiced their trade. (One chunk of granite has been carved into almost-finished steps.) Another large stone, known as Serpent Rock, has snakes etched into its top surface.