In a set of photos released on Monday, U.S. Navy sailors are seen loading Tomahawk missiles onto the Los Angeles -class ...

The USS F-1 was hit broadside by another sub during a training exercise and sank in seconds, killing 19 members of the crew.

Anti-submarine rockets are missiles that launch into the air then fall to the water and break apart to release a torpedo that ...

China is building a new diesel-electric submarine, ... Mark Schiefelbein/AFP via Getty Images. The Pentagon expects China to produce a total of 25 or more Yuan-class submarines by 2025.

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 just released, over a century after it was lost at sea.

Taiwan completed the maiden sea trial for its first domestically developed submarine on Tuesday, a major step in a project ...

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.

A Chinese diesel-electric-powered submarine sails near Qingdao, in eastern China's Shandong province on April 23, 2019. AFP via Getty Images/MARK SCHIEFELBEIN ...

Expedition captures the first ever images of the wreck of a World War I submarine The USS F-1 was lost in 1917 in a collision off of California, killing most of its crew. By Nicholas Slayton ...

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.

A deep-sea training and engineering dive off the coast of San Diego provided an opportunity for never-before-seen imagery of the U.S. Navy submarine USS F-1, lost at sea in an accident on December ...

Pictures of the tragic Red Sea submarine, as well as some of the passengers onboard, have emerged - the submarine was carrying 45 tourists and five Egyptian crewmembers when it sank, ...