A Member of the Great Lakes Marine Firefighting Task Force operates an engine driven pump at the Marathon Petroleum – Detroit Refinery, Detroit Michigan, April 29, 2025. The demonstration showcased how the pump allows firefighters and first responders to use water from the Great Lakes or surrounding waterways to effectively extinguish fires. (U.S. Coast Guard photo by Petty Officer 3rd Class Mary Wysong) (This image has been modified to enhance the subject.)