Coast Guardsmen from Port Security Unit 301 waterside division aboard a 32-foot Transportable Port Security Boat patrol waters within the port for a real-time Field Training Exercise in the Port of Tampa Bay, Monday, March 11, 2019. PSUs serve as anti-terrorism force protection expeditionary units with boat crews and shore-side security teams capable of supporting port and waterway security anywhere the military operates. U.S. Coast Guard photo by Petty Officer 1st Class Sara Romero.