The periscope has become one of the defining features of the submarine. But the newest US and British attack subs have totally reinvented how periscopes look and function. See more stories on ...

Submarine warfare has been around since the American Civil War. In the decades since, subs have become high-tech military machines capable of taking part in a variety of missions. When people think of ...

Summary: The British Royal Navy’s latest nuclear-powered submarine, the Astute-class, represents a significant advancement in modern submarine technology. Designed to replace the older Trafalgar class ...

The Astute-class is the Royal Navy’s most advanced nuclear-powered attack submarine and the successor of the previous Trafalgar-class. The first of the class, the Astute, was launched in 2007. Though ...

Add Yahoo as a preferred source to see more of our stories on Google. The periscope has become one of the defining features of the submarine. But the newest US and British attack subs have totally ...