USS Louisiana (1812)  USS "Louisiana", was a sloop built in New Orleans in 1812 and she played a vital role in the defense of Louisiana during the War of 1812 between the United States and the United Kingdom. Originally built as a merchant ship for the cost of $15,500, the USS "Louisiana" displaced 341 tons, and rated sixteen 24-pounder guns. She measured ninety-nine feet, six inches on the deck, beam of twenty-eight feet, and a fourteen foot deep hold. "Louisiana" was unmanned at the start of the campaign, and commanded by Captain Charles C. B. Thompson. From 23 December 1814 to 8 January 1815, the sloop "Louisiana" pounded advancing British troops, providing naval gunfire support for General Andrew Jackson’s forces. When British troops advanced up river beyond the range of the deadly cannon fire of the "Louisiana", the crew did not let the absence of wind deter their support. Crewmembers waded ashore with mooring lines and towed their sloop up river against the currents of the Mississippi River to re-engage. The "Louisiana" was credited with playing a key role in the defeat of the British and keeping the valuable port of New Orleans in American hands.