U.S. Coast Guard Port Security Unit members maneuver through an urban environment in a training scenario, against an opposing force, at Fort Hunter Liggett, in Jolon, California, July 18, 2025. PSU 312 and members from other PSUs are conducting their active duty training in the Southern California area to practice adapting to a new security posture or area, and train to maintain a security zone against external threats. (U.S. Coast Guard photo by Petty Officer 3rd Class Richard B. Uranga)