This is a tabletop game system that covers naval warfare in the 1850 to 1880 era, i.e. during the American Civil War and the time of the first Ironclads that appeared at that time. Quote: "This was a time of naval invention where all navies concerned were on a steep learning curve, having only recently adopted such novelties as steam propulsion, iron armour, and rifled breech-loading guns, not to mention technological marvels such as the submarine, and devious items of mechanical trickery such as the mine and torpedo." Second edition Iron and Fire: Naval Rules for the American Civil War and Ironclad Period 1850-1880