The Chinese infantry is marching along the highway. The 4th Cavalry Division celebrates its 10th anniversary. The commander of the troops of the Leningrad Military District M. Tukhachevsky presents the Red Banner to the division. March of the cavalry division, demonstration races. Metallurgical plant them. Dzerzhinsky. Harvesting grain at the state farm "Indicator" Vinnitsa region. Kronstadt: military ships in the port. The Red Navy men put their things together and are written off to the shore. Preparing for the campaign: ship at sea. Young sailors are trained in naval affairs. Moscow. Meeting of pioneers of the USSR: handing over to the meeting of a new 2-seater airplane designed by Yakovlev. The pioneers accept L. Kamenev as an honorary pioneer. Among the German pioneers - delegates to the meeting, the German communist Max Geltz.