While the U 19 submarines had plenty of success, they weren't the only type Germany sailed during the conflict. Germany built 329 U-boats of different types, which Imperial Germany and its allies ...

How many nuclear submarines does the UK have – and are they ready for war? Britain currently has a fleet of nine submarines, including four Vanguard vessels armed with the Trident nuclear system ...

Britain will build new attack submarines, invest billions on nuclear warheads and move towards “war-fighting readiness,” Prime Minister Keir Starmer said Monday, as he braces for a landmark ...

The vessels themselves were much more cramped than submarines today — the F-1 was only 143-feet long. The crew of the USS F-1 during its service. U.S. Navy photo.

The growing presence of Russian submarines off the coast of the United States has sparked Cold War comparisons from military observers and a retired NATO admiral.. The Russian military has ...

In 1917 Britain and her allies were losing hundreds of ships every month to German U-boats. These deadly submarines patrolled the waters of the United Kingdom watching for ships to destroy. Their ...

Prime Minister Keir Starmer of Britain vowed Monday to bring his country to “war-fighting readiness,” announcing plans to build up to 12 new attack submarines and invest billions of pounds in ...

The Russian Navy has taken delivery of what is the world’s longest known submarine, one its maker touts as a research vessel – but what others say is a platform for espionage and possibly ...

The majority of WWI submarines no longer exist, as many were sunk or sold for scrap. This isn't an unusual practice for the world's navies, but some boats remain and can be visited in museums.

Britain will build new attack submarines, invest billions on nuclear warheads and move towards “war-fighting readiness,” Prime Minister Keir Starmer said Monday, as he braces for a landmark ...