Huntington Ingalls Industries' Ingalls Shipbuilding unit was awarded three times the number of hours for dock landing ship replacement design work compared to General Dynamics NASSCO. The option in the Ingalls Shipbuilding portion of the design contract is up to 129,500 hours for engineering support and NASSCO's is up to 43,250 hours, Naval Sea Systems Command spokeswoman Christianne Witten wrote in a July 7 statement to Inside Defense . On June 30 , the Navy awarded contracts to Ingalls and...