Coast Guard Maritime enforcement specialist 3rd class Kendall Ellington, attached to Coast Guard Sector San Francisco, participates in an active shooter drill during a multi-day, multi-agency exercise inside the San Francisco Bay, Sept. 20, 2023. These exercises helped assess the Bay Area Emergency Preparedness and security programs, enabling for leadership to identify areas for improvement. (U.S. Coast Guard photo by Petty Officer 3rd Class Hunter Schnabel)