# USS Zumwalt completes sea trials after refit as the Navy's first hypersonic missile ship

Canonical page: https://technooptimist.io/stories/uss-zumwalt-completes-sea-trials-after-refit-as-the-navy-s-first-c497e4bc
Date: 21 Jan 2026
About: [Lockheed Martin](https://technooptimist.io/companies/lockheed-martin.md) · [Conventional Prompt Strike](https://technooptimist.io/aviation/conventional-prompt-strike.md)
Original source: https://seapowermagazine.org/?p=23990

HII's Ingalls Shipbuilding finished builder's sea trials of USS Zumwalt after a modernization that replaced its two 155 mm Advanced Gun Systems with missile tubes for Conventional Prompt Strike. It is the Navy's first warship fitted for hypersonic missiles; sister ship Lyndon B. Johnson is now being converted.

## Key facts

- Zumwalt arrived at Pascagoula in August 2023 and was undocked in December 2024.
- USS Michael Monsoor will get CPS in a later yard period.
- The missile itself has not yet flown from the ship.

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