The Defense Innovation Unit and the U.S. Navy has tapped Anduril's prototype autonomous submarine, known as Dive-XL, for its CAMP program. (Anduril) The U.S. Navy and the Pentagon’s Defense Innovation ...

Throughout the Cold War, military planners on both sides of the Iron Curtain built weapons designed to deter the unthinkable. Yet several of those systems came dangerously close to coming active and ...

The U.S. Navy has reached a Cold War-era milestone in the Arctic, deploying two Virginia-class submarines beneath the polar ...

After an Iranian warship was sunk with a torpedo fired by a US submarine just outside Sri Lanka's territorial waters on March 4, 2026, images of damaged ships circulated in social media posts falsely ...

The wild idea may only be a patent for now, but the Japanese automaker has been refining the idea for some time.

A U.S. submarine sank an Iranian warship in international waters, Defense Secretary Pete Hegseth said Wednesday. In addition to striking Tehran, Israel hit the Iranian-backed Hezbollah militant group ...

A U.S. submarine sank an Iranian warship in international waters, Defense Secretary Pete Hegseth said Wednesday. In addition ...

Rolls-Royce delivered robust FY results, with 14% revenue growth, 38% operating profit growth, and significant margin ...

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 ...

While diesel engines don't need spark plugs, they do need air ventilation for proper combustion. This is a problem for vessels traveling underwater, such as submarines. Yet diesel submarines exist and ...

The New Strategic Arms Reduction Treaty (New START)—the last arms control agreement between the United States and Russia, which limits strategic nuclear weapons—expires this Thursday. After that, ...