Sibir (1937 icebreaker)
The Sibir was the first Soviet icebreaker built at a domestic shipyard.
Owing to many delays, it took over two years to finish. It was built at the Ordzhonikidze Yard in Leningrad between 1937 and 1938.
The I. Stalin was the biggest icebreaker of the Soviet fleet at that time. In 1938 it reached the Arctic in its first expedition.
The I. Stalin, freed the icebreaker Sedov on January 18, 1940 between Greenland and Svalbard after it had been drifting as a scientific Soviet polar station for a long time.
