The Zumwalt-class destroyer, if built, would become the most advanced destroyer in the world by far, and quite possibly the most advanced combat ship. It is sad that the Navy wants to cancel it. Lets talk about the capabilities and the roles of the Zumwalt-class. Please post any interesting links that you know. If they become operational, what kind of improvements would they make on the overall capabilities of the US Navy? I heard Zumwalt-class is intended to replace the Iowa-class battleships.