PASCAGOULA, Miss., June 30, 2023 (GLOBE NEWSWIRE) -- HII's (NYSE: HII) Ingalls Shipbuilding division announced today the successful completion of builder's sea trials for the U.S. Coast Guard's newest national security cutter, Calhoun (WMSL 759). The ship successfully tested propulsion and auxiliary equipment, as well as various ship systems. "Every successful sea trial is a major accomplishment for our shipbuilders, and the NSC team has worked hard to ensure the Coast Guard receives another highly capable and advanced cutter for the fleet," Ingalls Shipbuilding NSC Program Manager Amanda Whitaker said. "Our team will continue to prepare NSC 10 for the next set of trials and ensure that this ship will be ready to undertake the most challenging Coast Guard missions." For over two decades, Ingalls Shipbuilding has served as the sole designer and provider of the Coast Guard Legend -class national security cutter.