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http://www.aviapress.com/viewonekit.htm?ARM-019

ARM-019 G-5 Torpedo Boat book

Summary
In the early 1930s the USSR began mass production of a «mosquito fleet» consisting of aluminum torpedo boats that had high speeds of around 50-55 knots. Development of this project was carried out by the special design bureau of the noted aircraft designer A.N. Tupolev.

More photos in link.