A Russian attack submarine that was stationed in Syria has officially left the Mediterranean Sea. The departure of the Kilo-class Novorossiysk leaves Russia without any known submarines in the region.

Russia reportedly no longer has a submarine based in the Mediterranean Sea, after the Novorossiysk vessel was observed withdrawing into the Atlantic Ocean. NATO said that the Portuguese Navy had ...

Strategic Russian naval bases have been upended by conflicts in the Middle East and Ukraine, creating headaches for the Kremlin's navy, including its submarine force. Moscow no longer appears to ...