On a foggy December morning in 1917, three U.S. Navy submarines crept through the waters off the coast of San Diego. They ...

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 ...

Researchers have discovered the USS F-1, a World War I-era submarine, which had been lost at sea for 108 years.

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

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 ...

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

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 ...

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 ...

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