How the US Navy Is Using 3D Printing in Submarines

How the US Navy Is Using 3D Printing in Submarines

Imagine a submarine deep under the ocean, carrying out a critical mission where every component must work flawlessly. Even a small failure can turn into a serious problem.
Earlier, repairing or replacing damaged parts inside submarines was a time-consuming process. Many components had to be ordered from outside, causing delays and increasing mission risks.
But things are changing.
The United States Navy has successfully installed its first-ever 3D-printed metal component aboard the USS Washington (SSN-787).
This component is a copper-nickel flange, a critical part of the submarine’s piping system. It is designed to handle high pressure and resist corrosion from seawater, making reliability absolutely essential.
Traditionally, manufacturing such parts involved a long process—from design to production and delivery. However, with advanced 3D printing technology, the same component can now be produced much faster.
This breakthrough means that in the future, damaged parts can be replaced quickly, reducing downtime and allowing submarines to stay on missions longer without interruptions.
In simple terms, technology is making submarine maintenance faster, more efficient, and far more reliable than ever before.
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