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Monitor - History and Legacy

The Conversion of the USS Merrimack
to the CSS Virginia

    One of the first Southern ports closed off by the Anaconda Plan was the port of Hampton Roads. Even though the navy yard at Gosport was in Confederate hands, the Union forces kept control of Fort Monroe. Located across the James River from Norfolk, Fort Monroe had been built to protect Hampton Roads from foreign invasion. It now served the Union army and navy as a base to close Hampton Roads to Confederate shipping. Stationed at Fort Monroe was a fleet of Union warships whose job it was to maintain the blockade.

    The Confederate government realized that the Union blockade would cripple the South's ability to wage war. If the South was to survive, the blockade had to be broken. However, the tiny Confederate Navy was no match for the power of the United States Navy. In seeking a way to break the blockade of the James River, the Confederate Navy launched an experimental ship. This ship would be an ironclad-a ship armored with iron. Because the Union navy was made up of entirely wooden ships, a single iron vessel could perhaps destroy the entire Union fleet at Fort Monroe.

    Recovering the sunken hull of the old USS Merrimack that had been abandoned and burned by the Union navy, the Confederates began reconstructing the ship as a ironclad. The Confederates built a deck over the hull and engines and on the deck constructed a casemate. The walls of the casemate were built of wood 20 inches in thickness and then armored with four inches of iron plating. To arm the ship, the Confederates placed ten cannon inside the casemate and attached a massive iron ram to the bow of the ship. This armament would allow the ship to attack enemy vessels either by firing its cannon or by ramming them. The most important feature of this experimental ship was its iron armor. The armor would protect the ship from cannon fire, allowing her to attack and destroy the wooden ships of Union navy.

    After some nine months of construction, the conversion of the Merrimack was complete and the ship was renamed the CSS Virginia.

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