In the course of three so-called five-year plans of economic development in the years 1928-1942, gigantic industrialisation was carried out, creating practically from scratch powerful production and mining centres, used for the unprecedented pace of armament. In the middle of 1930s the Red Army already had more tanks than the rest of the countries taken together. Even before the end of the second five-year period, the newly formed Soviet arms industry was able to produce 3,500 aircraft, 5,000 cannons and 3,000 tanks a year. This was a dizzying figure, given the time of the great economic crisis raging around the world.
Tanks BT-7, A-20, A-32, and T-34-76. The arms industry of the USSR has made enormous progress in the 1920s and 1930s, largely thanks to contacts with Germany.