The ''Canonicus''-class monitor was a

class Class or The Class may refer to: Common uses not otherwise categorized * Class (biology), a taxonomic rank * Class (knowledge representation), a collection of individuals or objects * Class (philosophy), an analytical concept used differentl ...

of nine monitors built for the

Union Navy The Union Navy was the United States Navy (USN) during the American Civil War, when it fought the Confederate States Navy (CSN). The term is sometimes used carelessly to include vessels of war used on the rivers of the interior while they were un ...

during the

American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States. It was fought between the Union ("the North") and the Confederacy ("the South"), the latter formed by states ...

. They saw service in the Civil War and the

Spanish–American War , partof = the Philippine Revolution, the decolonization of the Americas, and the Cuban War of Independence , image = Collage infobox for Spanish-American War.jpg , image_size = 300px , caption = (cloc ...

, although two of them were never commissioned. They were basically improved s, modified in accordance with war experience. The four ships not commissioned during the war were built on the Ohio River, three at

Cincinnati Cincinnati ( ) is a city in the U.S. state of Ohio and the county seat of Hamilton County. Settled in 1788, the city is located at the northern side of the confluence of the Licking and Ohio rivers, the latter of which marks the state line wit ...

, and ''Manayunk'' as far up as South

Pittsburgh Pittsburgh ( ) is a city in the Commonwealth of Pennsylvania, United States, and the county seat of Allegheny County. It is the most populous city in both Allegheny County and Western Pennsylvania, the second-most populous city in Pennsylva ...

Design

The hull lines were improved and designed speed is given as but there was no hope of getting near this. The side armour was backed by two iron stringers deep and thick for from the bows, but elsewhere, and the armour lower edge was . The

turret Turret may refer to: * Turret (architecture), a small tower that projects above the wall of a building * Gun turret, a mechanism of a projectile-firing weapon * Objective turret, an indexable holder of multiple lenses in an optical microscope * Mi ...

, of internal diameter, had plates as did the pilot house above, and the funnel base was also armored. The turret skirt was protected by a thick and high ring fixed to the deck, and as in other later monitors the 15 in guns were longer than in the ''Passaic'' class and fired with their muzzles outside the turret. ''Tecumseh'' was sunk during the

Battle of Mobile Bay The Battle of Mobile Bay of August 5, 1864, was a naval and land engagement of the American Civil War in which a Union fleet commanded by Rear Admiral David G. Farragut, assisted by a contingent of soldiers, attacked a smaller Confederate fle ...

by a

mine Mine, mines, miners or mining may refer to: Extraction or digging * Miner, a person engaged in mining or digging *Mining, extraction of mineral resources from the ground through a mine Grammar *Mine, a first-person English possessive pronoun ...

. ''Canonicus'', the last survivor, was decommissioned 31 years before being sold. ''Catawba'' and ''Oneota'' were both sold to

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = National seal , national_motto = "Firm and Happy f ...

, on 2 April 1868, without ever entering service in the US Navy. Renamed by the Peruvian Navy as ''Atahualpa'' and ''Manco Capac'' respectively, they participated in the

War of the Pacific The War of the Pacific ( es, link=no, Guerra del Pacífico), also known as the Saltpeter War ( es, link=no, Guerra del salitre) and by multiple other names, was a war between Chile and a Bolivian–Peruvian alliance from 1879 to 1884. Fought ...

, which lasted from 1879 to 1883.

Ships in class

Notes

References

* * * * * * * * * {{Union ironclads Monitor classes Spanish–American War monitors of the United States

Design

Ships in class

See also

Notes

References