HII Successfully Completes Second Builder’s Sea Trials for Destroyer Ted Stevens (DDG 128)

Rhea-AI Summary

HII (NYSE: HII) announced that Ingalls Shipbuilding completed the second builder’s sea trials for guided missile destroyer Ted Stevens (DDG 128) on Oct. 24, 2025, following initial trials in late September.

The ship spent multiple days in the Gulf of America testing main propulsion, hull, mechanical, electrical and combat systems, including the Flight III AN/SPY-6 (V)1 radar and Aegis Baseline 10 combat system, ahead of planned acceptance trials.

Ingalls has delivered 35 Arleigh Burke-class destroyers to date and currently has five Flight III destroyers under construction, including DDG 128.

Positive

• Completed second builder’s sea trials on Oct. 24, 2025
• Tested Flight III AN/SPY-6 (V)1 radar system
• Validated Aegis Baseline 10 combat system performance
• Completed hull, mechanical, electrical system tests
• Delivered 35 Arleigh Burke-class destroyers to date
• Has 5 Flight III destroyers currently under construction

Negative

• None.

PASCAGOULA, Miss., Oct. 24, 2025 (GLOBE NEWSWIRE) -- HII’s (NYSE: HII) Ingalls Shipbuilding division successfully completed the second builder’s sea trials for guided missile destroyer Ted Stevens (DDG 128), building on the success of the initial trials conducted at the end of September. The Arleigh Burke-class (DDG 51) destroyer spent multiple days in the Gulf of America testing the ship’s main propulsion, combat systems and other critical systems in preparation for the future acceptance trials.

“The Ingalls and Navy team demonstrated tremendous teamwork during this trial and are fully committed to delivering DDG 128 to the fleet,” Ingalls Shipbuilding DDG Program Manager Ben Barnett said. “As we move forward, our focus remains on ensuring that every system is thoroughly tested and fully operational as we progress toward readiness for acceptance trials. I extend my gratitude to our test and trials team for their contributions to the ongoing success of the destroyer program.”

During the second builder’s trials, the Ingalls and Navy team completed additional hull, mechanical, electrical and combat systems tests. This included testing the second-in-class Flight III AN/SPY-6 (V)1 radar system and the Aegis Baseline 10 combat system. These tests are designed to validate critical system performance and ensure the ship meets or exceeds Navy requirements.

Photos accompanying this release are available at: http://hii.com/news/hii-successfully-completes-second-builders-sea-trials-for-destroyer-ted-stevens-ddg-128/.

Flight III Arleigh Burke-class destroyers represent the next generation of surface combatants for the U.S. Navy and incorporate a number of design modifications that collectively provide significantly enhanced capability. To date, Ingalls has delivered 35 Arleigh Burke-class destroyers to the U.S. Navy, including the first Flight III, USS Jack H. Lucas (DDG 125) and currently has five more Flight III destroyers under construction: Ted Stevens (DDG 128), Jeremiah Denton (DDG 129), George M. Neal (DDG 131), Sam Nunn (DDG 133), and Thad Cochran (DDG 135), which authenticated the ship’s keel on Oct. 23.

As the largest manufacturing employer in Mississippi, Ingalls Shipbuilding has been designing, building, and maintaining destroyers for the U.S. Navy for over 86 years. To learn more about the DDG 51 Arleigh Burke-class destroyer program at Ingalls work visit: https://hii.com/what-we-do/capabilities/guided-missile-destroyers/arleigh-burke-class/.

About HII

HII is a global, all-domain defense provider. HII’s mission is to deliver the world’s most powerful ships and all-domain solutions in service of the nation, creating the advantage for our customers to protect peace and freedom around the world.

As the nation’s largest military shipbuilder, and with a more than 135-year history of advancing U.S. national security, HII delivers critical capabilities extending from ships to unmanned systems, cyber, ISR, AI/ML and synthetic training. Headquartered in Virginia, HII’s workforce is 44,000 strong. For more information, visit:

• HII on the web: https://www.HII.com/
• HII on Facebook: https://www.facebook.com/TeamHII
• HII on X: https://www.twitter.com/WeAreHII
• HII on Instagram: https://www.instagram.com/WeAreHII

Contact:

Kimberly Aguillard
Kimberly.K.Aguillard@HII-co.com
(228) 355-5663

A photo accompanying this announcement is available at https://www.globenewswire.com/NewsRoom/AttachmentNg/e7add913-2770-4b60-af8a-afe6f79b1a72

FAQ

What did HII announce about Ted Stevens DDG 128 on Oct. 24, 2025?

Ingalls completed the second builder’s sea trials for DDG 128, testing propulsion, hull, electrical and combat systems.

Which combat and radar systems were tested on DDG 128 during HII’s Oct. 24, 2025 trials?

The trials included the Flight III AN/SPY-6 (V)1 radar and the Aegis Baseline 10 combat system.

How many Arleigh Burke-class destroyers has Ingalls delivered and how many Flight III ships are under construction?

Ingalls has delivered 35 Arleigh Burke destroyers and currently has 5 Flight III destroyers under construction.

What systems were validated during the second builder’s sea trials for DDG 128?

Teams completed tests of main propulsion, hull, mechanical, electrical and combat systems to validate performance.

What is the next step for DDG 128 after HII’s second builder’s sea trials?

DDG 128 will progress toward acceptance trials after completion of builder’s sea trials and system validation.

Where did HII conduct the second builder’s sea trials for Ted Stevens (DDG 128)?

The ship spent multiple days conducting trials in the Gulf of America.