It was the 1935 th. The world has been relatively calm, alarmed only coming to power in Germany's National Socialists with their delusions about the future of the device in Europe. This circumstance could not but cause concern politicians and the military. And European governments did not spare funds to improve military equipment.I do not stay aside and the Soviet Union. November 26 Deputy Director of Aviation Plant © 39 Leontiev to the Chief of the Office of the Air Force Red Army Alksnis following letter:"N39 factory sends you a preliminary draft of the aircraft I-21 (M-34FRN) for approval. However, the report that the aircraft is ready to mock, asking for consideration of its prototyping Commission in the near future."Four days later, the commander of the Air Force approved the "Report on the combat scheme single-seat fighter with a motor M-34FRN - special, construction of the plant © 39, engineer brigade Ilyushin".The document stated that "generally, the aircraft meets the presented technical requirements, even exceed last 40-50 km speed, in relation to the range - the requirements are not satisfied.Instead of 1000 km, the estimated range of the aircraft at low speed (270 km / h) is equal to 766 km at a cruising speed is 480 km / h, the range is reduced to 460 km / h. "The conclusion was concise:"Combat aircraft scheme - to approve.Browse to the pilot and the convenience of its location to check the layout.Considers it necessary to increase the capacity of the petrol tanks so that the aircraft flight range of 600 km was achieved at a cruising speed of 480 km / h. "The speed shown by the consideration of documents, gives reason to believe that the Air Force is not accidentally shown special interest in the project.In May 1935 at the Central Airport Frunze in Moscow hosted review of achievements of the aviation industry and the Air Force, which was attended by leaders of the party and the government headed by Stalin, the supreme command of the Red Army, the main d