All of them first belonged to the Baltic Fleet .
All of them first served in 1856 -- 1900s ( decade ) , some were later transferred to the Siberian Flotilla ( based on Nikolayevsk , since 1872 -- on Vladivostok , since 1898 -- on Port Arthur ) .
All of them first belonged to the Baltic Fleet and served in 1856 -- 1900s ( decade ) , some were later transferred to the Siberian Flotilla ( based on Nikolayevsk , since 1872 -- on Vladivostok , since 1898 -- on Port Arthur ) .