A Marathon Petroleum – Detroit Refinery employee informs people attending the Great Lakes Marine Firefighting Task Force Workshop about the importance of firefighting equipment on the Great Lakes at the Marathon Petroleum – Detroit Refinery, Detroit Michigan, April 29, 2025. The GLMFF-TF participated in the training workshop to strengthen preparedness for marine emergencies and gain confidence in high-risk situations. (U.S. Coast Guard photo by Petty Officer 3rd Class Mary Wysong) (This image has been modified to enhance the subject.)