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 ...

Scientists have discovered the wreck of the American submarine USS F-1, which sank in 1917. It is located off the coast of ...

Researchers took the first ever photographs of the sunken USS F-1, lost in 1917 in a collision off of California.

Scientists have discovered the wreck of the American submarine USS F-1, which sank in 1917. It is located off the coast of ...

In 1917, two US submarines collided off the coast of San Diego and submarine USS F-1 sank to the bottom of the Pacific Ocean, ...

During the WHOI mission to photograph the USS F-1, the researchers also surveyed another piece of military wreckage: a lost ...

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.

High-definition pictures of a World War I-era U.S. Navy submarine that sank to the bottom of the ocean near San Diego were ...

Researchers have found and imaged a submarine that sunk in 1917 during training exercises in the Pacific Ocean.

A World War I submarine wreck off the coast of Southern California has been captured for the first time in new video and images made possible using advanced deep-sea imaging technology. At such a ...

Researchers have located the wrecks of two long-lost military vehicles on the seafloor a few miles from San Diego: an ...