HII’s Ingalls Shipbuilding unit has completed the second builder’s sea trials for the Ted Stevens (DDG 128) guided missile destroyer.
The tests, which took place in the Gulf of America, build upon the initial trials that were conducted at the end of September 2025.
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This latest phase, conducted by Ingalls and the US Navy team, involved a comprehensive assessment of the ship’s main propulsion, hull, mechanical, electrical and combat systems.
It includes examining the Flight III AN/SPY-6 (V)1 radar system and the Aegis Baseline 10 combat system.
Ingalls Shipbuilding DDG programme manager Ben Barnett said: “The Ingalls and Navy team demonstrated tremendous teamwork during this trial and are fully committed to delivering DDG 128 to the fleet.
“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.”
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By GlobalDataIngalls has already supplied 35 Arleigh Burke-class destroyers to the US Navy, including the first of the Flight III series.
Currently, the construction of five more Flight III destroyers is underway. These include Ted Stevens (DDG 128), Jeremiah Denton (DDG 129), George M. Neal (DDG 131), Sam Nunn (DDG 133), and Thad Cochran (DDG 135). The keel for Thad Cochran was authenticated on 23 October.
Arleigh Burke-class destroyers are equipped with the Aegis combat system, which integrates the ship’s sensors and weapon systems to counter anti-ship missile threats.
These destroyers are powered by four GE LM 2500 gas turbines, each rated at 33,600hp and running at a speed of 3,600rpm.
