The film tells about the work of the primary organizations of DOSAAF in Moscow schools №41 and №45, in the Ilyevskaya school of the Rostov region: schoolchildren study in a radio circle, master the car business, learn to drive a motorcycle, participate in orienteering competitions. Classes of schoolchildren in military training: shooting at a shooting range, assembling a machine gun, participating in the military sports game "Eaglet", learning to drive a tractor.