The boats were also powered by a single OK-650 pressurized water reactor ... multi-mission platform that can carry out ...

Any mistake at sea can be deadly, but on a sub the stakes are even higher. Here are five of the worst military submarine ...

The three-tonne DIY submarine called Lake Defender ... “The hatch was open - and came within inches of water flooding in. “I had to jump out and use my body weight to keep it upright.” ...

The USS Cobia, a US Navy submarine, sank 13 enemy ships and rescued seven downed American pilots during World War II.

Congratulations to all the people who have, put on a marvelous show you started a long time ago with a very innovative idea to pull a submarine out of the water, to put it on display for the rest ...

Divers would likely hear a mid-to-high pitch sound while underwater when the active sonar is emitted, cluing them into the ...

Australia's submarine plans are slipping due to aging Collins-class vessels and AUKUS uncertainties, forcing tough decisions ...

it can take out mines with ease. The Echo Range is a serious looking drone sub developed by Boeing for the US Navy. Eventually Boeing hopes that it will be able to stay under water for 70 days at ...

The Collins Class national security disaster is a $20B submarine mess, atop the well-known $368B AUKUS submarine ...

The water tank is just 300ml in size ... When you’re not running the vac motor, you can run the Submarine for hours without running out of power. So it really became [about] the balance of well how ...

THIS is the man who spent four years and over £20k building his own submarine – which can dive 60ft underwater. The three-tonne DIY submarine called Lake Defender is the crackpot home ...