USS LST-519 was an LST-491-class tank landing ship built for the U.S. Navy in World War II. She was later renamed USS Calhoun County (LST-519 after counties in eleven states in the United States LST-519 was built by the Chicago Bridge & Iron Company, Seneca, Illinois. Her keel was laid on 17 September 1943. She was launched on 25 January 1944. Placed in partial commission status at Seneca on 8 February, LST-519 proceeded down the Illinois River into the Mississippi River and down to the Naval base at Algiers, Louisiana, directly across from New Orleans where she was fully commissioned on 17 February 1944. A Coast Guard crew trained the LST's Navy crew on this river cruise from Seneca while the ship was en route to Algiers.