Summary and Key Points: The Montana-class would have been the most powerful battleship the United States ever built — bigger, better-armored, and more heavily armed than the legendary Iowa class.
-Each of the five planned ships would have carried twelve 16-inch guns — a quarter more firepower than the Iowa — behind armor thick enough to survive its own shells.
Montana-Class Battleship. Image Credit: Creative Commons.
-But the Navy canceled all five during World War II to build aircraft carriers instead. No keel was ever laid; the battleship era was ending.