This book includes the principal ships that were engaged in the war at sea between 1939 and 1945. The mighty battleships and cruisers that roamed the oceans, great aircraft carriers deployed in the Mediterranean and Pacific campaigns and the hard-pressed destroyers and U boats engaged in the Battle of the Atlantic are all described and illustrated. The book is divided into sections on battleships and battlecruisers, aircraft carriers, cruisers, destroyers and submarines. Specifications include displacement, length, draught, power-plant, speed and range, complement and weapons.