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In page Osoaviakhim-1:

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Both the Osoaviakhim and the Air Forces program were primarily scientific, with expected practical applications in meteorology and future high-altitude airplanes. The Osoaviakhim program, in particular, was sponsored and consulted by Abram Ioffe of the Physical-Technical Institute; one of his postgraduate students, Ilya Usyskin, joined the crew of Osoaviakhim-1 and perished on its fatal flight.