In this book you will learn about the features of the strategy and tactics of naval combat, the creation of new technical devices, the most important surface and underwater operations, the successes and losses of the German fleet. You will get acquainted with the device of all types of Kriegsmarine ships, the features of their weapons, learn new details of all the largest naval battles of World War II. For convenience, facts and figures are presented in the form of tables, diagrams and maps.