Summary: The USS Zumwalt (DDG-1000) is undergoing significant modernization, with its 155mm advanced gun system (AGS) removed to integrate Conventional Prompt Strike (CPS) hypersonic missiles.

Read more: The 10 Most Legendary Ships Of WW2 Ranked From Worst To Best When the USS Zumwalt entered service, it was armed with two 155mm AGS that could fire six precision-guided Long Range Land ...

A soldier assigned to 2nd Cavalry Regiment Field Artillery Squadron, moves a 155mm round to load the M777 Howitzer during a live fire exercise at the Grafenwoehr Training Area, Germany ...

It has since quadrupled its 155mm shell production, officials said Tuesday. Russia’s invasion of Ukraine set off a massive effort by the U.S. military and NATO allies to arm Kyiv’s military.