An Iranian ship was sunk by a US submarine off the coast of Sri Lanka on March 4, 2026, killing at least 84 sailors, but a ...

China now operates 59 submarines, compared to the US Navy’s 71—but it has expressed the clear intention to catch up.

Polish company Jastrzębska Spółka Węglowa (JSW) demonstrated its Wielki V2 float-equipped unmanned aerial vehicle (UAV) at ...

A low-cost stealth tactic just neutralized a $5.5 billion aircraft carrier, proving that raw power is no match for a silent ...

In the 1970s, the USSR had an undersea cable connecting a major naval base at Petropavlovsk to the Pacific Fleet headquarters ...

A US submarine sank the Iranian frigate IRIS Dena off the southern coast of Sri Lanka on Wednesday, killing 87 people. The ...

At a briefing at the Pentagon on Wednesday, Defense Secretary Pete Hegseth confirmed that a U.S. submarine used a torpedo to ...

China’s next-gen Type 096 submarines and longer-range SLBMs could threaten more of the U.S. from bastions near home.

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 ...

This satellite image shows Bohai Shipyard, where all Chinese nuclear-powered submarines are constructed. (Google Earth) CHRISTCHURCH, New Zealand — Submarines are among the most secretive of China’s ...

Diesel-powered submarines present a challenge that may seem paradoxical at first. Their engines require oxygen to operate, yet these vessels routinely travel beneath the ocean surface. Naval engineers ...

As underwater threats grow quieter, faster, and more networked, navies require an integrated approach that combines long-range detection, rapid classification, and decisive countermeasures. ASELSAN ...