Bomba

941. The life of Ivan Gouchkov, a student of Physics and Mechanics at the Leningrad Industry Institute, dramatically changes one day just before his spring exams when he comes to the attention of Major Lobanov, Head of Intelligence at the Leningrad Military District Command. Several months later, Main Intelligence Directorate receives information that the USA is developing a powerful nuclear weapon. (http://www.starmediafilm.com/en/cinema_hall/bomba/smotrite_na_kanale_starmedia)