Rubuta ci gaba don wannan sakin layi - An gina bindigogi uku na jirgin ƙasa, ta amfani da bindigogi daga jirgin yaƙi da aka nutsar "Imperatritsa Mariya", wanda aka rasa a fashewar mujallar a tashar jiragen ruwa ta Sevastopol a watan Oktoba 1916. An yi amfani da su a yakin Soviet-Finnish
a cikin 1939-1940. A watan Yuni zuwa Disamba na 1941 sun shiga cikin tsaron sansanin sojan ruwan Soviet a kan tsibirin Hanko na Finland (Rus. Gangut / Gangut). Sojojin Soviet sun kashe su lokacin da aka kwashe sansanin, kuma daga baya kwararrun Finnish suka sake su ta amfani da bindigogi daga jirgin yakin Rasha da aka janye "Imperator Aleksandr III". Bayan yakin an ba da waɗannan ga Tarayyar Soviet, wanda aka ci gaba da aiki har zuwa 1991. An cire su daga sabis a 1999, su ne na karshe Obukhov guda har yanzu aiki a duniya.