sentences:  Later he studied in the Marine Technical School at Vladivostok and became a navigator and an officer in the Soviet Navy.Between 1935 and 1936 he became the third officer aboard Icebreaker "Krasin" and in 1937 he became the second in command aboard Icebreaker "Sedov"".Badygin became renowned in 1938 as captain of icebreaker "Sedov" when it was transformed into a Soviet Drifting Polar Station.