Russia’s Alfa Class fast attack submarine was the SR-71 of the undersea world during the Cold War. The Alfas were largely constructed of titanium, used a liquid-metal cooled nuclear powerplant to obtain extreme speeds, and could reach depths far deeper than their competitors. Now Russia is floating the idea of building a modernized version of the design, one that leverages 40 years in technological advancement to take combat submarine automation to a whole new level. Russian news outlet RT reports that there is an imitative to build a new series of Alfa Class boats that are totally revamped, especially in...