The composition of the Russian Far East Fleet on 20 March 1939

1 Flotilla leader- 3,106 tons

2 Old destroyers-2,490 tons

8 Torpedo boats&escort vessels-6,062 tons

12 Large submarines-11,000 tons

34 Medium submarines-17,000 tons

29 Smalll submarines-5,220 tons

Total 86 units with 44,878 tons

Source

Bundesarchiv Naval Attache Moscow RM-12-II-159