In return for German help with military technology the Soviets allowed Germany to train troops, test new weapons and engage in war games on their land, all on Russian soil and all specifically forbidden by the treaty of Versailles.

为了回报德国在军事技术上的帮助，苏维埃允许德国在俄国的土地上，甚至是在凡尔赛条约中明文禁止的区域训练军队，测试新型武器，参与到战争中去。