1syuzh. - A group of workers on an excursion to the Museum of the Civil War (Far East). 2syuzh. - Preparation of workers of the plant "Krasnaya Zarya" for the Civil Defense; the work of the enterprise in the conditions of a chemical attack: workers in gas masks perform their work in the shops. 3syuzh. - Service of the Red Navy on one of the warships: raising the flag, the Red Navy men study combat weapons, work in the engine room of the ship. 4syuzh. - Regimental school of the 61st Cavalry Regiment: cadets during political training, while studying a machine gun, at combat shooting ranges; cavalry training of cadets.