Of the seventeen Wehrmacht tank divisions that participated in the attack on the USSR in the summer of 1941, six were armed with Czech-made tanks Pz.35(t) and Pz.38(t), which at that time made up almost a third of the German tank fleet. Further more. Since 1942, about 2,000 anti-tank self-propelled guns "Marder" and self-propelled howitzers "Bison" left the workshops of Czech factories, and since the spring of 1944, the Czech industry supplied the Wehrmacht with extremely successful Jagd Pz.38 (t) "Hetzer" tank destroyers, which represented a serious danger not only for the “thirty-four”, but even for the formidable ISs. In just one year, Czech factories produced more than 2,800 Hetzers—more than all other Wehrmacht tank destroyers combined—and the overall contribution of the “Slav brothers” to arming the Nazis cannot be overestimated.