Russian Amur river flotilla strengthened according to the Dutch magazine Marineblad dated 1938 no. 2

An item referred to the magazine R.M. dated November 1937 reporting that the Russian Amur river flotilla consisted of 5-950 ton monitors built in 1911, some old 190 ton gunboats and numerous motor boats. Japanese tidings reported that recently some river gunboats of a new type were added to the flotilla.