{"id":23854,"date":"2022-02-04T16:06:56","date_gmt":"2022-02-04T16:06:56","guid":{"rendered":"https:\/\/one.sightlinemg.com\/defensenews\/uncategorized\/2022\/02\/04\/navy-looks-to-3d-printing-for-submarine-parts-to-ease-burden-on-strained-industrial-base\/"},"modified":"2026-08-07T21:59:21","modified_gmt":"2026-08-07T21:59:21","slug":"navy-looks-to-3d-printing-for-submarine-parts-to-ease-burden-on-strained-industrial-base","status":"publish","type":"post","link":"https:\/\/one.sightlinemg.com\/defensenews\/naval\/2022\/02\/04\/navy-looks-to-3d-printing-for-submarine-parts-to-ease-burden-on-strained-industrial-base\/","title":{"rendered":"US Navy eyes 3D printing for submarine parts to ease burden on strained industrial base"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">ARLINGTON, Va. \u2014 Among the top risks to the critical Columbia-class ballistic missile submarine program is fragility in key parts of the industrial base.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Additive manufacturing, better known as 3D printing, could fix that.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The U.S. Navy plans to pair suppliers who cannot keep up with demand with additive manufacturing companies who can print parts around the clock to boost the supply, a service program official said Jan. 31. This effort would be aimed at the most fragile parts of the submarine-industrial base: companies that do castings, forgings and fittings, in particular.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Matt Sermon, executive director of Program Executive Office Strategic Submarines, said this would help these companies \u2014 some of them the sole sources of components to the Navy \u2014 by removing pressure to increase production rates as they\u2019re struggling to keep up with the current workload.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The industrial base today builds two Virginia-class attack submarines a year, is working through construction of a single Columbia-class sub and helps maintain in-service subs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But fabrication has already begun on the first Block V Virginia-class sub with a mid-body Virginia Payload Module that increases the construction workload by about 25%. The Navy will buy its second Columbia-class submarine in 2024 and start one-per-year production in 2026, translating to a spike in work for the prime shipyards and their supply base. The Navy has started referring to this time of consistently buying one ballistic missile submarine and two general-purpose submarines every single year as the \u201c1-plus-2\u2033 years.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If the demand for parts can\u2019t be reduced, then \u201clet\u2019s go additively manufacture the components in that space, such that by the time we get to the 1-plus-2 years, we will have reduced demand signal in castings, forgings and fittings,\u201d Sermon said in his remarks at an American Society of Naval Engineers event.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Today, the Navy certifies individual parts to go on submarines. That part-by-part qualification won\u2019t work going forward, Sermon said, advocating for the Navy to instead qualify materials and processes used for additive manufacturing rather than the parts that result from it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But the Navy has struggled to do this. For aviation programs, additive manufacturing advocates sought permission to print noncritical parts \u2014 but the Navy wouldn\u2019t allow it. The aircraft carrier John C. Stennis hosted the first-ever advanced manufacturing lab onboard, but used the laser scanning and additive manufacturing tools to print parts for the ships in the strike group, not the aircraft.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Putting printed parts on a submarine is as risky a proposition as putting them on aircraft, with both communities having strict standards to keep sailors safe in the air and under the ocean. But Sermon said the engineering community is now onboard. The technical warrant holders are part of ongoing discussions, and Naval Sea Systems Command\u2019s engineering and logistics directorate has accompanied the program office on site visits to companies that demonstrate additive manufacturing best practices.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cAdditive manufacturing gives you a better material, a better steel, than [working with raw materials],\u201d he said. \u201cIt is complicated, and microstructures \u2026 are complicated and do change some fundamental concerns of ours. We will have to change how we do nondestructive testing in many cases \u2014 not because it\u2019s bad, but because it\u2019s different, and we have to understand that.\u201d<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2944\" height=\"2136\" src=\"\/wp-content\/uploads\/2026\/08\/635790303846713845-september-28-frontlines-9jpg.jpg\" alt=\"\" class=\"wp-image-10938\" srcset=\"https:\/\/one.sightlinemg.com\/wp-content\/uploads\/2026\/08\/635790303846713845-september-28-frontlines-9jpg.jpg 2944w, https:\/\/one.sightlinemg.com\/wp-content\/uploads\/2026\/08\/635790303846713845-september-28-frontlines-9jpg.jpg?resize=300,218 300w, https:\/\/one.sightlinemg.com\/wp-content\/uploads\/2026\/08\/635790303846713845-september-28-frontlines-9jpg.jpg?resize=768,557 768w, https:\/\/one.sightlinemg.com\/wp-content\/uploads\/2026\/08\/635790303846713845-september-28-frontlines-9jpg.jpg?resize=1024,743 1024w, https:\/\/one.sightlinemg.com\/wp-content\/uploads\/2026\/08\/635790303846713845-september-28-frontlines-9jpg.jpg?resize=1536,1114 1536w, https:\/\/one.sightlinemg.com\/wp-content\/uploads\/2026\/08\/635790303846713845-september-28-frontlines-9jpg.jpg?resize=2048,1486 2048w\" sizes=\"auto, (max-width: 2944px) 100vw, 2944px\" \/><figcaption class=\"wp-element-caption\">150924-N-PN275-061 \rAPRA HARBOR, Guam (Sept. 24, 2015) The Los Angeles-class attack submarine USS City of Corpus Christi (SSN 705) maneuvers into position to moor alongside the submarine tender USS Emory S. Land (AS 39) to complete repair maintenance actions. Emory S. Land is a forward deployed expeditionary submarine tender on an extended deployment conducting coordinated tended moorings and afloat maintenance in the U.S. 5th and 7th Fleet area of responsibility. (U.S. Navy Photo by Mass Communication Specialist Seaman Zachary A. Kreitzer\/Released)\r<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The effort to put printed parts on submarines began in November, and Sermon said the Navy will install the first parts on an in-service submarine this calendar year.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">He told Defense News after his remarks that the program office has a ranked list of six to 10 components they\u2019d like to print, based on a list of \u201ctrouble components\u201d consistently unavailable at the public shipyards when they\u2019re needed for a submarine maintenance availability.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The vendors who make the parts won\u2019t be cut out of the process. Rather, they\u2019ll help with the engineering and have the option to do the printing if they have the capability \u2014 though Sermon said most of the companies involved don\u2019t. If the original manufacturer can\u2019t do the additive manufacturing itself, the Navy will pair it with a small business that can.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sermon noted during the panel the multiple benefits of embracing additive manufacturing. First, it addresses capacity issues during the 1-plus-2 years, when a lack of parts could jeopardize construction and repair timelines.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the longer run, however, he said that working through the processes and the certification of printed parts will enable the Navy and industry to design the next-generation submarine, dubbed SSN(X), with additive manufacturing in mind \u2014 potentially reducing the program\u2019s cost or generating a better or more survivable part.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Navy plans to pair suppliers who cannot keep up with demand with additive manufacturing companies who can print parts around the clock to boost the 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