A U.S. Coast Guard Marine Force Protection Unit (MFPU) member monitors systems aboard a Submarine Group 9 blocking vessel during joint service training near Bangor, Wash., Sept. 15, 2025. The Maritime Force Protection Unit - Bangor provides command and control support to ensure submarine escort readiness alongside Navy counterparts. (U.S. Coast Guard photo by Petty Officer 3rd Class Annika Hirschler)