GAO: 2018 welding tube defects continue to cause problems for Columbia

By Justin Katz / June 3, 2020 at 2:34 PM
(Editor's Note: This has been updated to relfect a statement from a Navy spokesman.) A new government watchdog report says the Navy is still coping with the effects of faulty welding found in the Columbia-class submarine's missile tube compartments nearly two years after a vendor identified the problem." BWX Technologies reported the welding issues to the Navy and Columbia prime contractor General Dynamics Electric Boat in mid-2018. "As a result [of the welding problems], the shipbuilder will produce a...

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