U.S. Coast Guard Port Security Unit (PSU) 311 members participate in joint agency training on a U.S. Navy MH-60S Seahawk helicopter on San Clemente Island, June 27, 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)