29 October 2021 Eye on Innovation: New Submerged Arc Welder Machine Boosts Efficiency at Norfolk Naval Shipyard PORTSMOUTH, Va. - Norfolk Naval Shipyard (NNSY) recently added a valuable tool to its arsenal of equipment, a new Computer Numerical Controlled (CNC) Submerged Arc Welder (SAW). This machine was delivered to the Welding Shop (Shop 26) ready for action and brings with it new capabilities to the...