USS Thresher was the lead boat of a new class of fast, quiet nuclear submarines when she was lost during deep diving trials ...

Christine Dawood lost her husband and 19-year-old son in the tragic OceanGate Titan submarine disaster but has opened up ...

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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 ...

The United States may need more Columbia-class submarines to match the capabilities of the current fleet of ballistic missile subs, Adm. Richard Correll, the head of U.S. Strategic Command, said ...

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 U.S. military’s operations against Iran reached a new level of intensity on Tuesday when an American submarine torpedoed an Iranian warship in the Indian Ocean, marking the first time since 1945 ...

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 ...

The Acoustic Device Countermeasure, or ADC, is designed to mimic the sound of a submarine, diverting acoustic torpedoes to attack it rather than its host. The Navy awarded Ultra Maritime, a ...

Here’s what you’ll learn when you read this story: For the first time, China has outstripped U.S. nuclear-powered submarine production. U.S. plans to shore up an aging submarine fleet are delayed.

Inside a diesel engine's cylinder, compressed air raises the temperature to ignite injected fuel, and the resulting force drives pistons to power the vehicle's main gears. Chief to this combustion ...