By Geoff Fein Following the discovery last fall of welding issues on the pre-commissioned unit (PCU) USS New Hampshire (SSN-778), the Navy and Northrop Grumman [NOC] Newport News (NGNN) continue to work closely on the long-term investigation of Virginia-class submarines, Los Angeles-class submarines, aircraft carriers and in service ships maintained at the company's Virginia shipyard, according to a Naval Sea Systems Command (NAVSEA) spokeswoman. "The investigation, which involves a technical assessment of non-nuclear piping systems, should be complete in late…
Navy, Northrop Grumman Continue Investigation Into Submarine, Ship Weld Issue
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