The USS F-1 went down in just 10 seconds after colliding with its sister ship, the USS F-3, during a foggy training exercise.

Through a research expedition funded by late Microsoft co-founder Paul Allen, the deep sea R/V Petrel vessel located the USS ...

With cutting-edge deep-sea imaging technology, researchers captured high-definition images of a 100-year old submarine.

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, ...

While looking for lost relics deep beneath the Pacific Ocean, mere miles from the coast of San Diego, California, researchers ...