A British naval supply ship with an on-board helicopter was deployed to track the stealthy Kilo-class submarine Krasnodar, the Royal Navy said.

The submarine is the fifth Navy vessel to bear the name Idaho. The first was a wooden-hulled storeship commissioned in 1866.

The U.S. operates a fleet of more than 50 nuclear-powered fast attack submarines to counter China's naval threat.

Ukraine claims it has carried out the first successful combat strike by an underwater drone against a submarine, damaging a ...

A video of the attack on Novorossiysk with the Sub Sea Baby drone shows a calm port with several ships before a massive ...

The Ukrainian military says it has blown up a $400m Russian submarine in an unprecedented attack on the Russian navy’s most important remaining Black Sea base located in Novorossiysk. The strike marks ...

North Korea's state media released photos Thursday of what it said was the hull of a nuclear submarine. Its leader denounced ...

Thales is launching Sonar 76Nano, a compact, miniaturised acoustic detection system designed to meet maritime security ...

The attack with Ukrainian-made "Sub Sea Baby" drones hit the submarine in the port of Novorossiysk where Russia has rebased ...

This recent patrol marks the first time the Russian Navy and China’s PLAN carried out a joint submarine patrol. In recent years, Russia and China have conducted joint military operations on land, sea, ...

KIM Jong Un has rolled out his latest doomsday toy – a vast nuclear-powered submarine. The tyrant did so as he personally ...

As it tried to demonstrate its continuing ability to fight, Ukraine said it had used drones to inflict serious damage on a ...