As the biggest military conflict in human history, World War II has the characteristics of huge scale of military operations, unprecedented development of military production and heavy losses of personnel and materials. The war lasted 2 194 days; The population of participating countries reached 654.38+07 billion; Military operations cover Europe, Asia and Africa, as well as the vast sea areas of the Atlantic Ocean, the Arctic Ocean, the Pacific Ocean and the Indian Ocean. 1. 1 100 million people were drafted into the army. During the war years (from 1 September 19391to1September 2, 1945), anti-Hitler countries alone produced 588,000 planes, 236,000 tanks,1476,000 cannons, and 61. Germany produces about/kloc-0.09,000 planes, 46,000 tanks and assault guns, and more than 435,000 guns, mortars and other weapons.