The book tells about artillery guns and mortars, tanks and self-propelled guns, small arms, combat aircraft and ships, the most widely used during the Second World War 1939-1945. armed forces of the USSR, USA, Great Britain, France, Germany, Italy, Japan. Shown is the improvement of weapons depending on the combat missions being solved. The tactical and technical characteristics and more than five hundred photographs of samples of military equipment and weapons are given. The book is designed for both specialists and a wide range of readers.