The majority of WWI submarines no longer exist, as many were sunk or sold for scrap. This isn't an unusual practice for the world's navies, but some boats remain and can be visited in museums.

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

On Dec. 17, 1917, the U.S. submarine USS F-1 was lost at sea during a training accident off the coast of California, killing 19 crew members on board.

The World War I-era USS F-1 submarine wreck, lost in 1917, was explored by researchers using advanced technology, capturing new images and its honoring fallen sailors.

Two WWI Submarines Sunk by Mines With Dozens on Board Discovered. Published Sep 08, 2023 at 12:18 PM EDT Updated Sep 08, 2023 at 1:40 PM EDT. By .

Deep-sea technology captures images of WWI submarine, 100 years after it sank near San Diego by: Rhea Caoile. Posted: May 26, 2025 / 01:14 PM PDT. Updated: May 26, 2025 / 01:14 PM PDT.

An Australian naval submarine that went missing on Sept. 14, 1914, during World War I, has been found off the coast of Papua New Guinea. (Video: Australian Defence Force) ...

The U-111 submarine was captured by the U.S., sailed back to the U.S. and eventually thought lost to the ages, until explorers found it on Labor Day.

Australia’s first submarine was discovered after a 103-year search, the Royal Australian Navy announced Thursday. The HMAS AE1, a WWI-era submarine, vanished on Sept. 14, 1914, with 35 crew ...

After more than 100 years, we have the first actual image of the wreck of a sunken U.S. Navy submarine from World War I. A recent expedition to survey it and other lost military hardware has ...

Propeller believed to be from WWI German submarine recovered off Cork Updated / Monday, 17 Jun 2024 21:35 The dive team and support on MV Harpy after recovering the propeller ...