By 1914 the submarine was not a new weapon, having first been used 150 years earlier. By the start of WW1 all the major ...

The United States Navy has a tradition of naming many of its popular ships after U.S. presidents. Here are five that stand ...

All five answers to the questions below have something in common. Can you figure it out?

You know how a pilot escapes a crashing airplane, but what do you do when a submarine goes under? These are the numerous ways ...