The Mudrovetz was a Russian Dekabrist Class submarine of 896 tons displacement launched between 1929 and 1935. The Mudrovetz had a top speed of 15 knots surface; 8 knots submerged and carried a complement of 44. She was armed with one 4 inch anti-aircraft gun; one 37 mm anti-aircraft gun; two machine-guns and eight 21 inch torpedo tubes - six in th...