Victories in Western Europe and East Asia were won through the decisive application of industrial naval power. The Atlantic convoys kept Britain supplied until overwhelming force could be applied to Fortress Europe, and American shipyards produced capital ships for the Pacific War at an unprecedented pace. Are you a savvy enough admiral to master the intricacies of naval war? Will you repeat or rewrite history? Test your seaborne skills in Hearts of Iron IV: Man the Guns, available now at major online retailers for $19.99.