The USS St. Louis (CL-49) was a light cruiser of the United States Navy, commissioned in 1943. It was part of the Cleveland-class cruisers, designed for versatility in naval operations during World War II. The ship was equipped with advanced radar and weaponry, allowing it to engage in anti-aircraft and surface combat. Throughout its service, the USS St. Louis participated in several key battles in the Pacific Theater, including the Battle of Leyte Gulf. The ship was decommissioned in 1949 and later sold for scrap in 1971, marking the end of its operational life.