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 ...

Using sonar, still photography, and video, the team surveyed the wreck of the F-1, which still lies on its right side, bow pointed northwest. Despite spending 107 years underwater, it is ...

On December 17, 1917, two United States Navy submarines—the USS F-1 and F-3—collided during a test run off the coast of San Diego. The damaged USS F-1 sank, and 19 of its crew members perished.

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, along with 19 crew members aboard. The horrible accident, whose ...

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.

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.