220215-N-JU575-1586 GREAT LAKES, Ill. (Feb. 15, 2022) Guest speaker retired Hull Maintenance Technician 1st Class Frank Yontz talks to staff and students at the Hull Maintenance Technician (HT) "A" School, Surface Warfare Engineering School Command Great Lakes about his experience as an HTs during a ceremony calibrating the rate's 50th birthday

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Keywords: command, engineering, great, ht, hull, lakes, maintenance, school, surface, swesc, technician, warfare