Successful Makin Island Sea Trials

Thursday, February 12, 2009

On Feb. 10, the Northrop Grumman Corporation-built (NYSE:NOC) amphibious assault ship Makin Island (LHD 8) returned from successful three-day builder's sea trials held in the Gulf of Mexico. The ship is the eighth USS Wasp (LHD 1)-class amphibious assault ship being built by the company at its Gulf Coast facilities in Pascagoula, Miss.

"We worked collaboratively with the Navy to meet our program commitments, and complete this significant milestone," said Irwin F. Edenzon, sector vice president and general manager of Northrop Grumman Shipbuilding-Gulf Coast. "Our shipbuilders did an outstanding job overcoming some challenges in building the nation's most sophisticated LHD to-date. We are confident the Gulf Coast team will continue the steady progress made on LHD 8, and we're on our way to a second quarter 2009 delivery."

During builder's trials, Makin Island performed all required sea trial evolutions during the three days, including the operational achievement of the first gas turbine/electric-powered propulsion system ever used on large deck amphibious assault ships. The gas turbine engines and electric drive will provide significant ship life-cycle savings in manpower and maintenance costs over previous ships.

"The Navy and industry team overcame many challenges in getting to this trial," said U.S. Navy Capt. Jeffery Riedel, program manager of Amphibious Warfare Programs for PEO Ships. "The ship performed very well. This was the first time an LHD obtained full power on both Gas Turbines and on its electric drive. I look forward to acceptance trials and delivering Makin Island to the fleet."

The Gulf Coast shipbuilding team met several other milestones paving the way for builder's sea trials including the resolution of critical electrical cabling installation issues and a significant integrated propulsion system testing program. The Northrop Grumman Shipbuilding-Gulf Coast test and trials team will join U.S. Navy personnel at-sea for Makin Island acceptance trials.

The Makin Island is 844 ft long and 106 ft wide and weighs 42,800 tons. Its 70,000 horsepower hybrid propulsion system will drive it to speeds in excess of 20 knots. As a multi-purpose amphibious assault ship, it is designed to transport and land a Marine Expeditionary Unit, a force of almost 2,000 Marines, ashore by helicopter, landing craft and amphibious assault vehicle. It will also have secondary missions of sea control and power projection by helicopter and fixed-wing vertical short take-off and landing aircraft; command and control; and mission support, including a hospital with six operating rooms.

Makin Island is scheduled for commissioning at her San Diego homeport in October 2009.

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