Petty Officer 1st Class Tim Hayes, an aviation maintenance technician at Coast Guard Air Station New Orleans, replaces a sensor on a Coast Guard MH-65 Dolphin Helicopter in preparation for Hurricane Sally, in New Orleans, September 15, 2020. Measurements as precise as a thousandth of an inch are required during maintenance procedures to keep the helicopters ready to respond during storm events like Hurricane Sally. (U.S Coast Guard photo by Petty Officer 3rd Class John Michelli)
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