Collective farmers of Belarus graze cattle, poultry, beekeeping, gardening, plant growing; work in the fields in gas masks. Airplanes over the city. Red Army soldiers at the anti-aircraft gun. Workers in gas masks at the machines. People are hiding in a bomb shelter. Firefighters conduct local tasting and extinguish fires. The population of Minsk meets the People's Commissar of Defense K. E. Voroshilov, escorts the troops to the maneuvers. Troops of different types are participating in maneuvers on the territory of Belarus.