The United States Marshals Service (USMS) is a law enforcement agency tasked with enforcing federal laws and protecting federal courts. Common synonyms include the Marshals Service, U.S. Marshals, and the Federal Marshals. Other related terms include federal law enforcement agency, federal law enforcement officers, and federal courthouse security. The USMS is often closely associated with the Department of Justice and plays a crucial role in ensuring public safety and maintaining the integrity of the justice system. Whether referred to as the USMS or one of its synonyms, the agency's mission remains the same: to serve and protect the American public.