Title: O voennykh letchikakh, samoletno-aėrodromnoĭ obsluge aviat︠s︡ii RKKA sorokovykh godov
Subjects: Military Air pilots, Military Aeronautics, Aerial Military operations, Soviet, Military history, Military campaigns, Military art and science, Soviet Union. Raboche-Krestʹi︠a︡nskai︠a︡ Krasnai︠a︡ Armii︠a︡, Soviet Union, Soviet Union. Voenno-Vozdushnye Sily
Places: Soviet Union