 PASCAGOULA, Miss., Aug. 27, 2021 GLOBE NEWSWIRE -- Huntington Ingalls Industries NYSE: HII Ingalls Shipbuilding division announced today the successful completion of builders trials for guided missile destroyer Frank E. Petersen Jr. DDG 121. The Arleigh Burke-class destroyer spent three days in the Gulf of Mexico testing the ships combat system, which included firing a missile. 