![](https://nationalinterest.org/sites/default/files/main_images/USS%20Iowa%20Battleship%20Iowa-Class%20U.S.%20Navy.jpg)
Iowa-Class: Navy Battleships That Could Have Fired Nuclear Artillery 'Shells'
Summary and Key Points: During the Korean War, the U.S. Navy outfitted Iowa-class battleships with nuclear capabilities through Operation Katie, enabling them to fire Mark 23 "Katie" nuclear shells. -The USS Iowa, USS New Jersey, and USS …