Petty Officer 1st Class Erik Mainhart, a damage controlman assigned to Coast Guard Cutter Northland (WMEC 904), center, leads P-100 pump training aboard the Northland, July 30, 2024, while underway in the Atlantic Ocean. The P-100 uses a diesel engine to create the suction for firefighting or dewatering a vessel. (U.S. Coast Guard photo by Petty Officer 3rd Class Anthony Randisi)