The U.S. Navy is making progress in deploying its first shipborne hypersonic weapon. Workers at a Mississippi shipyard have finished installing missile tubes on the USS Zumwalt that will replace twin turrets from a gun system that was never activated because it was too expensive.

The US Navy is to transform three, white elephant, stealth destroyers by fitting them with first-of-their-kind shipborne hypersonic weapons. The USS Zumwalt is at a Mississippi shipyard where workers have installed missile tubes that replace twin turrets from a gun system that was never activated because it was too expensive.

The U.S. Navy is transforming a costly flub into a potent weapon with the first shipborne hypersonic weapon, which is being retrofitted aboard the first of its three stealthy destroyers.