U.S. Coast Guard Port Security Unit (PSU) 311 members and U.S. Navy Maritime Expeditionary Security Squadron 11 members complete towing training as a joint agency exercise aboard a 32-foot transportable port security boat off San Clemente Island, June 23, 2022. PSUs serve as anti-terrorism force protection expeditionary units, with boat crews and shore-side security teams capable of supporting port, waterway, and coastal security within the United States or anywhere in the world. (U.S. Coast Guard photo by Petty Officer 3rd Class Alex Gray)