KIVFD Tanker 15 and Firefighters participated in a multiple evolution wet mutual aid drill, simulating a working fire. Apparatus and Firefighters from Companies 6 (Creeds) and 13 (Blackwater) and 15 (Knotts Island VFD) worked together to practice water supply relay, size-up and offensive attack, forcible entry and utility control, advancing handlines, primary and secondary searches, vertical ventilation and hand tools utilization.