Short description: The General Directorate of the Military Air Forces of the RKA. Under the supervision of the editor of the military engineer of the 3rd rank, A.S. M. Kravets, Military NGO of the USSR. 1941. 24 p. We have thousands of titles and often several copies of each title may be available. Please feel free to contact us for a detailed description of the copies available. SKUalb5271504c6ab8dfaf