
Huntington Ingalls Industries’ [HII] Newport News Shipbuilding (NNS) finished initial sea trials on the newest Virginia-class submarine, the future USS Delaware (SSN-791), the company said Aug. 31. The Delaware spent three days at sea to prove all of its systems, components and compartments while in the final stage of construction. The trials had the vessel submerge for the first time and perform high-speed maneuvers on the surface and underwater. The company started construction on the submarine in September 2013. SSN-791…