The L-class submarines made up a large portion of the Atlantic fleet, and they served throughout the war. The USS L-1 (SS-40) featured a diesel-electric engine, which made it capable of reaching ...

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 ...

Naval historians Gary Weir and Nicholas Lambert talk about the World War I voyage of the German submarine Deutschland to Baltimore, Maryland. They spoke about maritime technological development ...

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

First World War Lost Submarine Uncovered Revealing Secrets of Australian Naval Mystery. Published Dec 21, 2017 at 4:05 AM EST.

The British submarine J6, based at HMS Elfin in Blyth, Northumberland, is sunk by friendly fire off Beadnell in the last weeks of the war. It is kept secret for decades.

The L-class submarines made up a large portion of the Atlantic fleet, and they served throughout the war. The USS L-1 (SS-40) featured a diesel-electric engine, which made it capable of reaching ...