1syuzh. - Military exercises of the Red Army units with the participation of military equipment, artillery, cavalry. 2syuzh. - The recruits are studying the device of an armored car, the device of gas masks. 3syuzh. - Kazan naval station Osoaviakhim: school cadets, during rowing, shooting, undergo a medical examination. 4syuzh. - IX All-Union meeting of glider pilots (Koktebel). 5syuzh. - Swimming suit test: soldiers in swimming suits float on the river, shoot rifles.