Reserve members of U.S. Coast Guard Port Security Unit (PSU) 301 stand in formation upon returning to Falmouth , MA after a nine month overseas deployment, December 19, 2019. Port Security Units are 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 1st Class Emaia Rise)