on Krupp designs. The new breech-loading rifled guns become known as the 229 mm cannon M1867. The ships were rearmed with these guns starting in 1873. As the monitors were hulked in 1900 the rifled M1867 guns were removed; they later served as coastal artillery in Peter the Great's Naval Fortress. Some of the guns still exist on the sea fortress of Suomenlinna in Helsinki. Ships New Admiralty yard («Ураган», Hurricane) - Laid up and decommissioned 1900. («Тифон», Typhon) - Laid up 1900, hulked as mine depot 1909, broken up in the 1920s. Galerniy Island yard («Стрелец», Strelets) - Laid up 1900, hulked as floating workshop late 1910s, hull remains to the present day. («Единорог», Unicorn) - Laid up 1900, hulked as mine depot 1909, broken up in the 1950s, served in Vladivostok. Carr and MacPherson («Броненосец», Armadillo) - Hulked as coal barge and decommissioned 1900. («Латник», Cuirassiers) - Hulked as coal barge and decommissioned 1900. Nevsky factory («Лава», Lava) - Laid up 1900, hulked as hospital barge 1911, broken up in the 1920s. («Перун», Perun) - Laid up 1900, sank 1921, broken up in 1925. Cockerill & Co («Вещун», Pythoness) - Hulked as coal barge and decommissioned 1900. («Колдун», Sorcerer) - Hulked as coal barge and decommissioned 1900. See also List of ironclads of Russia Footnotes Bibliography The civil war in the U.S. and Russia: Monitor classes Foreign relations during the American Civil War Russian Empire–United States relations Ironclad warships of the Imperial Russian Navy