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

Deep sea submersible from the Woods Hole Oceanographic Institution explores the crash site of USS F-1 submarine, which was accidentally rammed and sunk by another sub in 1917.

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.

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 ...

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

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.

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 ...