 She served with the Baltic Fleet until 1949, when she seriously damaged by a boiler explosion.The boat was withdrawn from service on in 1953 and renamed "Kit" in 1954 for use as a vessel in simulated nuclear testing on Lake Ladoga, the boat was scuttled in shallow water in 1959.In mid-1991, the radioactively contaminated wreck was raised and towed to a different location, where it was scuttled in deeper water.