The USS F-1 was hit broadside by another sub during a training exercise and sank in seconds, killing 19 members of the crew.

During World War II, submarines came to make greater use of hydrophones as well as active sonar; however, the latter models could only plot out a submarine’s location on a two-dimensional plane ...

On a submarine, there are a million ... Normally when we would surface, we would blow 2,000 tons of water out of the ballast tanks so we could sit higher in the water.

Sound is the primary means of tracking subs in vast ocean expanses, and research shows that it’s behaving differently as the ...

Marcus Hellyer, who worked as part of the submarine program at the Defence Department, says the Collins fleet will inevitably have more time out of the water over the next decade. "Ageing systems ...

The Pike, a fish out of water in Idaho. Edvin Hernandez. Submarines in service will live out their lives in the saltwater of the ocean, but the parts studied by Lake Pend Oreille are tested in the ...

Military submarines are out there, lurking under the water, ready for action, but how long can they stay down there? It's longer than you might think.

When used inside a submarine, this process can make as much as 40,000 gallons of fresh water daily, while those used aboard surface ships can process up to about 100,000 gallons a day.

A water rescue expert spoke on Fox News about his theory of what may have happened to a missing tourist submarine that was exploring the wreckage of the Titanic.

The Undersea Duel: U-864 vs. HMS Venturer – The Only Submarine-on-Submarine Kill. The Hunt for Red October dramatized for the public one of the tensest forms of warfare imaginable: combat ...