What You Need to Know: The French Rubis-class submarine, Saphir, demonstrated its stealth prowess by sinking the U.S. aircraft carrier USS Theodore Roosevelt in a 2015 mock exercise. Initially on ...

Summary and Key Points: The Rubis-class submarines marked a milestone for the French Navy as the world's smallest nuclear-powered attack submarines upon their debut in the 1980s. -Their compact design ...

North Korea’s indigenous technological base is clearly insufficient to have developed the submarine on its own—almost certainly meaning that Pyongyang sought help from Russia. What You Need to Know: ...

A nuclear-powered attack submarine of the Suffren class, operated by the French Navy, docked at HM Naval Base Faslane in Scotland, reinforcing the allied presence at one of the United Kingdom’s main ...