1syuzh. -Holidays May 1st. Moscow. Demonstration, military parade on Red Square. On the podium K. E. Voroshilov. The building of the Historical Museum. Lenin's Mausoleum. St. Basil's Cathedral. 2syuzh. - House of the Red Army: a meeting of the military personnel of the Moscow garrison with foreign workers. Visitors to the Museum of the House of the Red Army: visiting the exhibition. 3syuzh. - Mass festivities in the CDKA park: people are dancing. 4syuzh. - Red Army soldiers in military camps. 5syuzh. - School of Civil Aviation in Baku: cadet - Leila Mammadbekova in the classroom. 6syuzh. -Testing the wedge.