First-Ever Images of USS F-1 Submarine Wreck Released After Groundbreaking 2025 Expedition

Never-before-seen photos reveal WWI-era submarine 1,300 feet before surface where 19 sailors perished in 1917

Scientists captured never-before-seen images of the World War I-era USS F-1 submarine wreck off California's coast, honoring 19 sailors lost in 1917.

Not All Fell in Wartime: The Amazing Find of the F-1

WWI submarine captured in never-before-seen images over century after it sank off San Diego coast

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.

Expedition captures the first ever images of the wreck of a World War I submarine

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 captured video and photographs of the USS F-1. This week the Woods Hole Oceanographic Institution and Naval History and Heritage Command shared the results from a deep-sea dive conducted in February and March of this year. The ship the Atlantis carried a tea…

Deep-Sea Tech Unlocks First-Ever Images of WWI-Era Submarine Wreck

Photogrammetric reconstruction of the submarine USS F-1 on the seafloor west of San Diego, Calif. Image by Zoe Daheron, © Woods Hole Oceanographic Institution Researchers have released the first clear images of the USS F-1 wreck, a US Navy submarine lost in a tragic accident during the WWI era. The submarine sank on Dec. 17, 1917, following a collision during exercises, claiming the lives of 19 crew members. Its wreckage now rests over 1,300 fee…

Lost WWI submarine captured in never-before-seen images off the California coast

The USS F-1 was lost at sea in December of 1917 following a collision with another vessel