U.S. Coast Guard Maritime Safety and Security Team (MSST) 91105 San Francisco members aboard a 29-foot Response Boat-Small (RB-S) enforce a safety zone around a ferry before escorting the ferry to Larkspur from San Francisco, California, Feb. 8, 2026. MSST was created under the Maritime Transportation Security Act (MTSA) in response to the terrorist attacks on Sept. 11, 2001. (U.S. Coast Guard photo by Petty Officer 3rd Class Kenneth Wiese)