The USCGC Kathrine Walker WLM 552 is a coastal patrol boat operated by the United States Coast Guard (USCG). This specific watercraft, designated as WLM-class (Widebody Medium Endurance), was built primarily for search and rescue missions, law enforcement, and homeland security duties. The USCGC Kathrine Walker was commissioned in 2016, serving under the U.S. Coast Guard’s 7th District, with homeport at Key West, Florida. Its primary role is to safeguard U.S. waters along coastal areas and ports by enforcing laws, ensuring maritime safety, aiding distressed vessels, and deterring illegal activities such as drug smuggling.