Yeah, there's guns & they work. But at $800k+ a round, the Navy decided they couldn't afford the ammunition. https://en.wikipedia.org/wiki/Zumwalt-class_destroy

Yeah, there's guns & they work. But at $800k+ a round, the Navy decided they couldn't afford the ammunition. https://en.wikipedia.org/wiki/Zumwalt-class_destroyer#Advanced_Gun_System https://en.wikipedia.org/wiki/Zumwalt-class_destroyer#Advanc... As of April 2021, the Navy announced they were going to try to replace the guns with 12x hypersonic missiles. Lots of details: http://www.navweaps.com/Weapons/WNUS_61-62_ags.php http://www.navweaps.com/Weapons/WNUS_61-62_ags.php It's hard to imagine, but the future 2x 0.6MW lasers (not in the initial plans for this new DDG(X)) actually sound like a possible cost saver. Different use though: "slow" moving 83 mi 155mm projectile has much different uses than a fast moving but much more limited range/power laser.