What secret weapon sank Russia’s flagship? 

A drone strike on Friday by Ukrainian forces on a naval base on the Black Sea coast, which reportedly damaged a Russian warship, was not the first time they have carried out a brazen attack on Russia’s naval fleet. At the start of the war the mighty Moskva, Russia’s most advanced vessel in the Black Sea, was destroyed in a strike that changed the course of the war. How did Ukraine’s virtually non-existent navy sink Russia’s flagship?