USS Essex (1856)
USS Essex was a 1000-ton ironclad river gunboat of the United States Army and later United States Navy during the American Civil War. It was named for Essex County, Massachusetts. USS Essex was originally constructed in 1856 at New Albany, Indiana as a steam-powered ferry named New Era. Service in Tennessee In September 1861 New Era was purchased by the United States Army for use in its Western Gunboat Flotilla and was modified into a 355-ton timberclad gunboat. In November 1861 USS New Era took part in an expedition up the Cumberland River. Shortly thereafter she was renamed USS Essex and received an upgrade to iron armor and various other alterations. On 11 January 1862, USS Essex engaged Confederate States Navy gunboats near Lucas Bend, Missouri. On 6 February 1862, she took part in the attack on Fort Henry, Tennessee and was badly damaged by Confederate gunfire. Battling the CSS Arkansas Commanding officer William D. Porter upgraded his ship without official authorization into an ironclad gunboat. Under his orders she was lengthened, widened, and completely reengineered, and her appearance was changed drastically. New, more powerful, engines were put in place and she was rearmored. After her upgrade Essex took part