The USS St. Louis (LCS-19) is a Freedom-class littoral combat ship of the United States Navy. Commissioned in 2020, it is designed for operations close to shore, featuring advanced technology and a modular design that allows for various mission packages. The ship is named after the city of St. Louis, Missouri, honoring its historical significance and contributions to the nation. The USS St. Louis is equipped with a range of weapons and systems, including a 57mm gun and missile systems, enabling it to perform anti-surface, anti-submarine, and mine countermeasure missions. Its shallow draft allows for access to shallow waters, enhancing its operational flexibility in coastal environments.