Petty Officer 1st Class Tim Hayes and Petty Officer 3rd Class Daniel Ruales, aviation maintenance technicians at Coast Guard Air Station New Orleans, replace the heat shielding on an engine cowl for an MH-65 Dolphin helicopter in preparation for Hurricane Delta, Oct. 9, 2020. The MH-65 helicopter is a short range response helicopter, often used in search and rescue missions in the wake of hurricanes and tropical storms.