Japan has launched the Taigei-class 'Big Whale', the first submarine class built entirely around lithium-ion batteries, ...

The U.S. Navy’s SSN (X) next-generation attack submarine program, which plans to combine the stealth of the Virginia-class with the firepower of the Seawolf-class, is delayed. The first procurement ...

Sailors man the rails during a commissioning ceremony for the Virginia-class fast attack submarine USS Idaho at Naval Submarine Base New London, Connecticut, on April 25, 2026. (John Narewski/U.S.

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The Navy is canceling a long-delayed overhaul of the USS Boise after costs ballooned to nearly $3 billion, with Secretary of the Navy John Phelan saying the submarine no longer made financial or ...

The Navy is canceling a long-delayed overhaul of the USS Boise after costs ballooned to nearly $3 billion, with Secretary of the Navy John Phelan saying the submarine no longer made financial or ...

We rely daily on the GPS on our phones to get to many different places in our lives. However, the technology stops working in the depths of the ocean, which is why submarines need something different.

The USS Massachusetts is seen during its commissioning ceremony in Boston, Massachusetts, on March 28th, 2026. (MCS2 Lucas J. Hastings/U.S. Navy) Editor’s note: A previous version of this story ...

As the United States marks its 250th anniversary, WTOP presents “250 Years of America,” a multipart series examining the innovations, breakthroughs and pivotal moments that have shaped the nation ...

The commander of Naval Submarine Forces last week argued it is “critically important” the government continues supporting the SSN (X) next generation nuclear-powered attack submarine program to ...

The United States military uses nuclear submarines to attack strategic targets, gather intelligence, and deter threats. Submarines make up part of the "nuclear triad" that protects against nuclear ...