The USS F-1's wreck, seen in a photogrammetric reconstruction drawn from several photos taken of it. After more than 100 years, we have the first actual image of the wreck of a sunken U.S. Navy ...

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 wreckage ...

Researchers have located the wrecks of two long-lost military vehicles on the seafloor a few miles from San Diego: an American submarine that sank during a training accident in 1917, and a U.S. Navy ...

In Dec. 1917, 19 sailors serving on a World War I-era U.S. submarine made the ultimate sacrifice during a training mission. Perhaps fittingly, scientists have captured never-before-seen photos of its ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In 1917, two US submarines collided off the coast of San Diego and ...