The US Coast Guard has several assets in the Duluth, MN, District 9 Area. The Marine Safety Unit (MSU) Duluth, USCG Station Duluth, Aids to Navigation Team Duluth, and Coast Guard Cutter Alder. All participate and contribute to the primary missions of commercial vessel safety and security inspections, waterfront facility safety and security, port security, environmental response and waterways management, search and rescue, law enforcement, ice rescue and recreational boating safety.