Submarines came to the forefront of military navies with the advent of WWI, as Germany's dangerous U-boats proved a ...

A U-boat is nothing more than the Anglicized term for a German submarine and isn't strikingly different from U.S. subs. The ...

By 1914 the submarine was not a new weapon, having first been used 150 years earlier. By the start of WW1 all the major powers possessed submarines, but their role was still undefined. Were they long ...