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A routine sea trial turned into one of the most controversial submarine disasters in history. After a catastrophic flooding, 103 men were trapped underwater with limited air and no clear rescue plan.

Four hundred meters inside a hollowed-out mountain behind a double set of blast doors, operators sit in a darkened room at computer stations facing a bank of floor-to-ceiling screens displaying a map ...

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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 ...

Sri Lanka has offloaded crew of an Iranian navy vessel and assumed countrol of it, the South Asian nation's president said Thursday, a day after a deadly US submarine attack on another ship.

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 ...

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 ...

The U.S. Navy today possesses the most technologically advanced submarine force in the world. Its nuclear-powered attack submarines and ballistic missile submarines remain unmatched in speed, ...

US politicians hear option of not selling Australia nuclear submarines Call for 5-minute rule in Aussie schools State-owned land sold for housing Top wedding trends for 2026 Elon Musk predicts saving ...

JS Sogei, the sixth Taigei-class submarine, entered the water in a ceremony held at KHI’s shipyard in Kobe City, Japan, Oct. 14, 2025. The Taigei class are Japan’s newest diesel-electric submarines.